That was so serious a matter that I had no choice but _____ the police.
| A．called in | B．calling in | C．call in | D．to call in |
Historical experience can as a most important source of information.
| A．serve | B．use | C．regard | D．prove |
Have a good rest, you need to your energy for the tennis match this afternoon.
| A．have | B．save | C．hold | D．get |
The boy was made to the explanation(解释，说明 process of explaining) .
| A．speak | B．tell | C．repeat | D．say |
It’s your turn to _the tale
| A．Pick up | B． carry up | C．Put up | D．rake up |
The doctor thinks he will pull now. His temperature has gone down.
| A．together | B．through | C．over | D．around |