Having been ill in bed for nearly a month, he had problems __________ the exam.
| A．pass | B．passing |
| C．to pass | D．passed |
______ as planned, our work was highly thought of(受到高度评价).
| A．Completed | B．Completing |
| C．Having completed | D．To be completed |
In the past few years, sea ice ____ in the Arctic as a result of global warming.
| A．had melted | B．has been melting | C．melted | D．is melting |
Peter told us the work would be finished by next month, _____ personally I doubt very much.
| A．that | B．when | C．which | D．it |
By the time our teacher arrives tomorrow,all the work _____,with which he will be satisfied.
| A．is accomplished | B．will have been accomplished |
| C．will be accomplished | D．has been accompished |
We’re running out _____________ fuel.
| A．of | B．for | C．/ | D．with |