21 .— Jenny looks hot and dry.

— So______ you if you had a high fever.

A. will B.do   C.are   D.would

22. The joke told by Tom made us______, so our maths teacher couldn’t make himself______.

A. laugh; hearing   B.laugh;heard 

C. laughing; hear   D.laughed; to be heard

23. It was ______ the old clock that the old man spent the whole morning at home.

A. repairing       B. repaired 

C. to repair       D. in repair