Happy birthday, Alice? So you have _______ twenty-one already?
| A．become | B．turned | C．grown | D．passed |
Schools across China are expected to hire 50,000 college graduates this year as short-term teachers, almost three times the number hired last year, ____ reduce unemployment pressures.
| A．helping | B．to have helped |
| C．to help | D．having helped |
It’s quite some time ______ our teammate Wang Qiang got injured in the foot, but we firmly believe it won’t be long _________ he recovers from it.
| A．since; before | B．before; since |
| C．after; when | D．when; after |
----Jack can’t concentrate on his lessons recently.
----Yes, that might _____ his low score in the last test.
| A．stand for | B．apply for | C．account for | D．call for |
There were two boys in the lab, _______ did the experiment successfully.
| A．the clever of whom | B．the cleverer of whom |
| C．the cleverer of them | D．the more clever of them |
Every boy and every girl as well as some teachers who_____ to visit the museum______ asked to be at the school gate before 6 :00 in the morning.
| A．are ; are | B．is; is | C．is ;are | D．are ;is |