Question 20: My cat  ________ at the moment.

A. eats

B. ate

C. are eating

D. is eating

Question 21: Peter ________ come with us tonight, but he isn't sure.

A. can

B. may

C. must

D. will

Question 22: It is ________ unlike that the President will agree to open the new airport.

A. mainly,

B. highly

C. largely

D. greatly