Mr. Smith was so angry at all ______ Bill was doing ______ he left.
| A．that; what | B．that; that | C．which; which | D．what; that |
Unless ___ to speak, you should remain silent at the conference.
| A．invited | B．inviting | C．being invited | D．having invited |
Although this medicine can cure youyour illness, it has a bad effect____you.
| A．for; in | B．for; on | C．of; on | D．of; at |
_______ it rain tomorrow, we would stay at home.
| A．Should | B．Be | C．Were | D．Will |
Nobody wants to___________ especially in public.
| A．make fun of | B．be made fun of | C．making fun of | D．made fun of |
caused the accident is still a complete mystery.
| A．What | B．That | C．How | D．Where |