Please do not feed the fish; they ________ die if they eat too much.
A.shall | B.must | C.may | D.need |
22. “How long do you suppose it is _______ he left for Japan?” “No more than half a month.”
A.when | B.before | C.after | D.since |
21. Mr Zhang is mild in character. He never shouts ____ he is very angry.
A.if | B.even | C.though | D.even when |
20. John shut everybody out of the kitchen _______ he could prepare his grand surprise for the party.
A.which | B.when | C.so that | D.as if |
19. _______ rich one may be there is always something one wants.
A.whatever | B.Whenever | C.however | D.Wherever |
18. _______ I can see, there is only one possible way to keep away from the danger.
A.As long as | B.As far as | C.Just as | D.Even if |