The course normally attracts 20 students per year, _____ up to half are from abroad.
| A．of whom | B．for whom | C．in which | D．with whom |
The teacher called Tom to his office because he was caught_____in the exam.
| A．to cheat | B．cheating | C．cheated | D．cheat |
The young writer_____his success to his teacher’s encouragement.
| A．paid | B．cost | C．gave | D．owed |
When you phoned me,I was having a meeting,otherwise I_______your call.
| A．answered | B．would answer | C．had answered | D．would have answered |
_________I went to the US,I visited many cities.
| A．First time | B．For the first time | C．The first time | D．By the first time |
He_______gardening after his retirement.
| A．ended up | B．turned up | C．put up | D．took up |