New light may be the cause of cancer by research that is now in progress.
A.thrown | B.thrown off | C.thrown on | D.thrown by |
—I wonder why he has been acting so strangely these days.
—Recent pressure at work may his behavior.
A.make for | B.stand for | C.change for | D.account for |
It was not rare(稀少) in that people in fifties were going to school for further study.
A.90s; the | B.the 90s; / | C.90s; their | D.the 90s; their |
Mary speaks with a strong southern accent so that she is taking classes to herself of it.
A.support | B.struggle | C.rid | D.equip |
Written in a hurry, . How can it be satisfactory?
A.they found many mistakes in the report |
B.Sam made lots of mistakes in the report |
C.there are plenty of mistakes in the report |
D.the report is full of mistakes |
The traffic problems we are looking forward to seeing should have attracted the government’s attention.
A.solving | B.solve | C.to solve | D.solved |