The old professor had to speak louder to make himself ________．

hear

heard

hearing

to hear

He was late for class again, so he didn’t know how to ________ an excuse this time．

make up

make out

make into

make of

At first, I tried to ________ him to give up smoking, but failed．

suggest

hope

advise

persuade

He didn’t listen to me attentively, so he looked at me with a ________ look．

surprising

surprised

surprise

to surprise

If a child lives abroad, it’s easy for him to ________ local accent．

pick up

pick

pick out

pick on

The little boy was ________ at the ________ maths problem．

confusing; confused

confusing; confusing

confused; confused

confused; confusing

________ our small apartment, my uncle’s house seems like a palace．

Comparing to

Comparing with

Compared with

To be compared with

He thinks that his handwriting requires ________．

improved

improving

being improved

improves

Generally speaking, when ________ according to the directions, the drug has no side effect．

taking

taken

to take

to be taken

The light in his room is off．He ________ to sleep．

may have gone

can have gone

could have gone

must have gone