19.If the air isn’t fresh, people………..cough.    (A. to cough          B. Cough   C.willcough )              

how many ....are there on the ceiling ?

a.clock           b.maps       c.lights      d.picture

minh has a cough so he ............ some cough mixture

a.drinks        b.has      c.takes        d.eats

we .......... TV for most of the evening

a.looked         b.looked for       c.saw          d.watched

did you hear the news ........ the radio ?

a.at     b.by          c.in        d.on

ai nhanh mình tick

He smokes too much; perhaps that’s why he can’t get rid of his cough.

A. If he didn’t smoke so much, he may get rid of his cough.

B. If he smoked less, he might be able to get rid of his cough.

C. If he smoked so much, he couldn’t get rid of his cough.

D. If he does not smoke, he may not have his cough.

He smokes too much; perhaps that’s why he can’t get rid of his cough.

A. If he didn’t smoke so much, he may get rid of his cough.

B. If he smoked less, he might be able to get rid of his cough.

C. If he smoked so much, he couldn’t get rid of his cough.

D. If he does not smoke, he may not have his cough.