1. studied - could pass

2. practiced - could play

3. ate - could put on

have lived

have worked

has read

have known

haven't seen

haven't worked

have bought

haven't planned

have you been

has written

Have you been

hasn't started

Has he spoken

hasn't had

has just caught

has already invited

has made

has lost

have just cleaned

have given up

1. I (live)            lived                 here since 1989.

2. They (work)          have worked                   for this factory for 20 years.

3. He (read)         have read                     this novel three times.

4. Hoa and I (know)          have known                    each other since we were at the same class.

5. I (not/see)             didn't see             her since last month.

6. I (not/work)         don't work                 today.

7. We (buy)            buy                a new lamp.

8. We (not/plan)          haven't planned                 our holiday yet.

9. Where (be/you)           are you                    ?

10. He (write)         writes                      five letters.

11. (be/you)            Are you                    at school?

12. School (not/start)            hasn't started                 yet.

13. (speak/he)                 Does he speak               to his boss?

14. No,he (have/not)              hasn't               the time yet.

15. The cat (just/catch)          has just catched                    a mouse.

16. He (already/invite)                has already invited              his friends.

17. Julia (make)        is making               a table with three columns.

18. The teacher (lose)        lost                  the keys,so he can’t open the door.

19. I (just/clean)                have just cleaned               my bike.

20. My friends (give up)         give up                     smoking.

finishes

hs mà rk đó hi! finishes( chắc chắn lun)

finishes

No, I don't. Because there the air is not as fresh as the countryside

tong = 0

for i in range(1, 101):

     if i % 3 == 0 and i % 5 == 0:

          tong += i

print("Tổng các số chia hết cho 3 và 5 trong phạm vi từ 1 đến 100 là", tong)

Trả lời:

adores

HOK TỐT!

everybody (adore) ....children

=> everyone adores children

nha bạn 

chúc bạn học tốt nha 

Chuyển động hay đứng yên là phụ thuộc vào vật làm mốc.

1,go (every day là dấu hiệu nhận biết của thì Hiện tại đơn)

2,will send(tomorrow là dấu hiệu nhận biết của thì Tương lai đơn)

1,go

2,sends,

went

sent

k cho mình

thi tự làm nhé bạn

Câu 1:

\(a,\text{Slt: }\widehat{A_4}\text{ và }\widehat{B_1}\\ \text{Đv: }\widehat{A_4}\text{ và }\widehat{B_3}\\ b,a\text{//}b\Rightarrow\left\{{}\begin{matrix}\widehat{A_4}=\widehat{B_1}=42^0\left(\text{so le trong}\right)\\\widehat{B_2}=180^0-\widehat{A_4}=138^0\left(\text{trong cùng phía}\right)\end{matrix}\right.\)