She had just finished her homework________her mother asked her to practise playing the piano yesterday.
| A．when | B．while |
| C．after | D．since |
I couldn’t help ______if the bus was late.
| A．this | B．that | C．it | D．them |
Don’t respond to any e-mails ______personal information, no matter ______ official they are.
| A．requested, how | B．requesting, how | C．requesting, what | D．requested, what |
She may have missed the train, ______ she won’t arrive for another hour.
| A．in which case | B．in the case | C．in any case | D．in that case |
There are more opportunities for disabled people to make______ contribution to______ society.
| A．a, the | B．a, / | C．/, the | D．the, a |
---What’s wrong with my stomach?
---There is nothing serious; you can __________.
| A．take it easy | B．take your time | C．take it seriously | D．take risks |