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Mình cần giải thích cách làm câu này

The implementation of solar panels has ______ reduced the carbon footprint of our green initiatives.

A. considerable B. considerably C. consideration D. considerate

a What did you have for breakfast this morning?
b What was your favorite toy when you were four years old?

c What were you doing 30 minutes ago?

d What is the first holiday you can remember? What was special about it?

e What did we do in our last English class?

f Can you remember one of the presents your parents bought you when you were little?

1.   - Is Jeff a good student?

-  He               . I don't know him well, but I heard he got a scholarship for next year.

a. must be                  b. could be                c. is

2.   - Do you know where Eva is?

-  She                     at Barbara's house. She said something about wanting to visit after work today, but I'm really not sure.

a. must be                  b. could be                c. is

3.   - I stayed up all night finishing this report for the boss.

-  You                      really tired.

-  I do.

a. must feel               b. might feel             c. feel

4.   - Where's the leftover chicken from dinner last night?

-  I just saw it when I got some ice cubes. It                    in the freezer.

a. must be                  b. might be                c. is

5.   - It's supposed to rain tomorrow.

-  I know, but the forecast                  wrong. Weather forecasts are far from 100 percent accurate.

a. must be                  b. could be                c. is

6.  - I heard that Junko has received a scholarship and will be able to attend the university in the fall.

-    Wonderful! That's good news. She                       very happy to have the matter finally settled.

a. must be                  b. may be                  c. is

7.   - Excuse me. Could you tell me which bus I should take to the City Hall?

-  Hmmm. Bus number 63                  there. But you’d better ask the driver.

a. must go                 b. might go               c. goes

8.   - Which bus should I take to get to the main post office?

-  Bus number 39. It                           right to the post office.

a. must go                 b. could go                c. goes

9.   - Do you suppose Mrs. Chu is sick?

-   She                        . I can't think of anything else that would have kept her from coming to this meeting.

a. must be                  b. may be                  c. is

10.   - Is that Adam's brother standing with him in the cafeteria line?

-  It                          , I suppose. He does look a little like Adam.

a. must be                  b. could be                c. is

11.   - Let's be really quiet when we go into the baby's room. The baby               , and we don't want to wake her up.

-  Okay.

a. might sleep            b. might be sleeping             c. might have been sleeping

12.   - I wonder why the radio is on in the den. No one's in there.

-  Grandma                   to turn it off. She was in the den earlier and was probably listening to it.

a. must forget            b. must have forgotten         c. must be forgetting

13.   A: Where's Angie? Didn't she come back after lunch?

B: I'm not sure where she is. But she                     the presentation that Human Resources is giving right now.

a. is attending           b. could attend                     c. could be attending

14.   A: You're taking Spanish at 8:00 A.M. every day? Why did you choose such an early class?

B: Because Ms. Cardenas is the teacher. She                      excellent. I've been in the class for a month now, and I don't mind the early hour.

a. should be               b. must be                            c. is

15.   A: The meteorologists predicted five major hurricanes for this hurricane season.

B: They                   wrong, you know. Sometimes they make mistakes.

a. must be                  b. might be                           c. are

16.   A: Is this chicken in the refrigerator still good?

B: I don't think so. It's been in there for over a month! It               spoiled by now

a. may be                   b. must be                            c. could be

17.   A: Can you tell me if Flight 86 is on time?

B: It is on time, sir. It                      at Gate B21 in about five minutes.

a. might arrive           b. might be arriving              c. should be arriving

18.   A: Did you know that Mike got a scholarship to State School of Engineering?

B: Yes, I know that! I was the first one he told about it. He                 very happy.

a. might be                b. must be                            c. is

19.   A: Did you know that Li received a scholarship to the City School of Music?

B: No, I didn't. That's great news! He                         very happy.

a. might be                b. must be                            c. is

20.   A: Who's going to win the election?

B: It's a close call. The senator                         with all his experience, but the opposition candidate is stronger than anyone expected.

a. must win               b. must be winning              c. should win

21.   A: Where's Harold? He's supposed to be at this meeting. Didn't Jim tell him about it?

B: Jim                   to tell him.

a. must forget            b. must have forgotten         c. should have forgotten

22.   A: This soup has an interesting flavor, but there's too much salt in it.

B: Yes, it is too salty. I                         so much salt in it.

a. must not have put             b. shouldn't have put            c. may not have put

Complete the sentences with the verbs in parentheses. Write if I + the past tense or the -ing form of the verb. In some sentences, either response is possible, but the meaning is different.

1.  A: It's cold in here. Would you mind (close) if I closing             the window?

B: Not at all. I'd be glad to.

2.  A: It's cold in here. Would you mind (close) if I closed     the window?

B: Not at all. Go right ahead. I think it's cold in here too.

3.  A: You're going to the library? Would you mind (take) if I taking         this book back to the library for me?

B: Not at all.

4.  A: I'm not feeling well at all. Would you mind (go) if I going    home now?

B: Oh, I'm sorry. I hope you can come back when you feel better.

5.   A: I'm not feeling well at all. Would you mind (leave) if I                    now before the visiting hours are over?

B: Oh, of course not. We shouldn't stay more than a short time for a hospital visit anyway.

6.   A: I'll be working late tonight, honey. Would you mind (cook)                   dinner tonight? I'll clean up after dinner.

B: I'd be happy to. About what time do you think you'll be home?

7.  A: We have a lot of chicken left over from dinner last night. Would you mind (make)

                          a chicken salad from the leftovers for dinner tonight? B: No, that'll be good. You make a great chicken salad.

8.  A: I'm feeling kind of worn out. Chopping wood in the hot sun is hard on me. Would you mind (finish)                                the work yourself?

B: No problem, Grandpa. Why don't you go in and rest? I'll finish up.

9.  A: Would you mind (use)                   your name as a reference on this job application?

B: Not at all. In fact, ask them to call me.

10.     A: I'd like to apply for the job as department manager. Would you mind (recommend)                                me to the boss?

B: No. As a matter of fact, I was thinking of recommending you myself.