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Lỗi sai là THIRTY .Sửa lại là THIRSTY (KHÁT) .
(1) grade (2) is (3) on (4) play (5) There
(6) has (7) quarter (8) lessons (9) goes (10) is
Her name (be) is Lan.She (be) is a nurse . She(work) works in a hospital. She(be) is twenty five years old. She(go) goes to work 5days a week. She work (start) starts at 7:00 o'clock and (finish) finishs at 5:00 . She and her friends (have) have luch in a canteen. She (come) comes back home at 5:15 .
2n+3=2n-4+7
=2(n-2) +7
vì 2(n-2) chia hết cho n-2 nên để 2n+3 chia hết cho n-2 thì n-2 phải thuộc ước của 7
=>n-2={-7;-1;1;7}
<=> n={-5;1;3;9}
1 is 2 is 3 is 5 goes 6 travels 3 works 7 starts 8 finishes 9 have 10 comes
ta có: abcabc=abcx1000+abcx1=abcx(1000+1)=abcx1001=mà 1001 chia hết cho 11=>abcabc sẽ chia hết cho 11
Ta lại có: 1001 chia hết cho 7=>abcabc sẽ chia hết cho 7
1. is going
2. is crying
3. Is your brother sitting
4. are trying
5. are cooking
6. are talking
7. aren't staying
8.is lying
9. are travelling
10. is not working
1)is going
2)is crying
3 Is your brother sitting
4 are trying
5 is cooking
6 are talking
7 am not staying
8 is lying
9 are travel
10 isnot working
1.had
3.phoned
2.bought
4.took
5.was
6.came,turned
7.didn do.went
8.did,start
9.was
10.win
1.have
2.bought
3.phoned/didn't answer
4.took
5.were
6.coming,turning,sitting,begining
7.didn't do,went
8.did,started
9.would be
10.won
1,What is she doing with her food
2. What time does your class start ang end in the afternoon
3. Where is your father work
Câu 1 sai,mik sửa luôn rồi đấy k mik nha
0,1+0,2+0,3+0,4+0,5=1,5
,,ksssffffffffff