He smokes so much perhaps thats why he cant get rid of
A.If he smoked so much, he might be able to get rid of his cough.
B.If he didn't smoke so much, he could get rid of his cough.
C.If he smoked so much, he could get rid of his cough.
D.If he doesn't smoke so much, he can get rid of his cough.

He smokes so much perhaps thats why he cant get rid of
A.If he smoked so much, he might be able to get rid of his cough.
B.If he didn't smoke so much, he could get rid of his cough.
C.If he smoked so much, he could get rid of his cough.
D.If he doesn't smoke so much, he can get rid of his cough.

Its two weeks since I started my diet I am now on a di
A.I am now on a diet that will last two weeks.
B.Since last week, I have been on a dict.
C.I have been on a diet for two weeks now.
D.I was only on a diet for two weeks.

You drive too fast so I would like you to drive more s
A.I wish you drive more slowly.
B.I wish you don't drive more slowly.
C.I wish you drove more slowly.
D.I wish you didn't drive more slowly

The students have to finish the task before Monday The
A.The task had to finish by the students before Monday.
B.The task had to be finished by the students before Monday.
C.The task has to be finished by the students before Monday.
D.The task has to finish by the students before Monday.

It was of you to leave the medicine where the children
A.care
B.caring
C.careless
D.careful

overline abc 1001 overline aaa0 overline abab nbsp o
A.\(\overline {aaa0} \)
B.\(\overline {abab} \) 
C.\(\overline {abcabc} \) 
D.\(\overline {abcab} \)

Viết số 489 236 thành tổng theo mẫu  67812 = 60000 + 70
A.\(489236 = 400\,000\, + \,80\,000\, + \,900\, + \,200\, + 30 + 6\)
B.\(489236 = 40\,000\, + \,800\,000 + 9000 + 200 + 30 + 6\)
C.\(489236 = 400\,000\, + 80000 + 9000 + 200 + 30 + 6\)
D.\(489236 = 400\,000\, + 80000 + 9000 + 300 + 20 + 6\)

Giá trị của chữ số 7 trong số 230 070 là  7 chục 7 trăm
A.7 chục
B.7 trăm
C.7 nghìn
D.7 đơn vị

Sắp xếp các đa thức sau theo lũy thừa giảm dần của biến
A.
B.
C.
D.