I must say he reads very well，and I shouldn’t be surprised if he__________acting for a living one day.
| A．had taken up | B．takes up |
| C．have taken up | D．would have taken up |
__________there are only 20 minutes left before the train left，I felt uneasy in the taxi to the railway station.
| A．That | B．When | C．Which | D．Because |
__________ problems you have，you can always come to me for help.
| A．What | B．Whatever |
| C．Whenever | D．Which |
Plants grow best__________it is warm and wet.
| A．which | B．in which | C．where | D．that |
__________ you go，you should bear the motherland in mind.
| A．Where | B．Whenever |
| C．However | D．Wherever |
_________，so he didn’t come to school last week.
| A．Though he was ill | B．Being ill |
| C．Having been ill | D．He was ill |