31.In summer, food will go bad if_________in room temperature.
A.leaving | B.left | C.being left | D.having left |
-----Shall we go to the art exhibition right away?
-----_____.
A.It’s your opinion. | B.I don’t mind. | C.It’s all up to you. | D.That’s your decision. |
It was a matter of________ would take the position.
A.who | B.whoever | C.whom | D.whomever |
In China, all the students work hard at school _________ going to university for higher education in the future.
A.in the habit of | B.in the hope of | C.in search of | D.in honor of |
—I’m sorry.That wasn’t of much help.
— Oh, _______ . As a matter of fact,it was most helpful.
A.sure it was | B.it doesn’t matter | C.of course not | D.thanks anyway |
From time to time a crocodile has snatched someone _______ he or she is even aware that the crocodile is there.
A.when | B.until | C.since | D.before |