1 I work in a travel agency now. before that I have worked in a department store

2 we invited them to our party, but they decided not to come

3 the police stoped me for speeding

4 she will pass her exam because she studied very hard

I dùng was mà bạn :3

Phương án 1: Đặt tay lên mặt trống

Phương án 2: Đặt một vật bất kì lên mặt trống

Phương án 3: Làm cho mặt trống dừng lại ( ngừng dao động )

9 the homework was very difficult yesterday

10 the children were in the park five minutes ago

11 Nha Trang is a beautiful place

12 I was late for school yesterday

13 where was she yesterday?- she was at home

14 we are tired today. we were at the party last night

15 she is unhappy because she doesn't have any friends in the city

16 were you at home yesterday morning?

- Vì v2 > v1 nên âm truyền trong nhôm đi nhanh hơn trong không khí ⇒ 

- Theo đề bài, ta có: t1 – t2 = 3 (s)

⇒ v2 = 5280 m/s

Với sự sụp đổ của hệ thống xã hội chủ nghĩa ở Liên Xô và Đông Âu (1989-1991), theo em, Việt Nam có nên tiếp tục đi theo con đường XHCN hay không? Tại sao?

III. Put the verbs in brackets into the correct infinitive or -ing form (8 points)

1. A: I don’t mind (help) __________helping________ you tidy up.

B: Thank you. You’re so kind.

2. A: I’m looking forward to (go) ________going__________ skiing in the Alps.

B: Lucky you. Can I come?

3. A: Mandy, where are your brothers?

B: They’ve gone (fish) _______fishing___________.

4. A: Why are you so late? You promised (be) ______be____________ on time.

B: I’m really sorry but I got stuck in traffic

1 How about going to the cinema?

2 Hoa's brother drinks fewer water than hoa 

3 we should ear a lot of fruit and vegetables every day

4 what is your favorite subject?

5 what a old dress!

6 let's go camping

7 when will classes start?

8 why don't we go to the zoo?

9 what's your address?

10 what is his date of birth?

1. A: Did you get to the museum on time?

B: No, the match (just/finish)____have just finished______________ when we arrived.

2. A: Where are you going, Sam?

B: I (take) ___am going to take_______________ the dog out for a walk.

3. A: How long (you/sing) have you sung__________________?

B: Since I was 8 years old.

4. A: Bob, where are the boys?

B: They (go) are going  to the park.