I suggest they _______ at once.
A. setting off B .to set off C. set off D have set off
The bell________ the end of the period rang, __________our heated discussion.
| A．indicating; interrupting | B．indicated; interrupting |
| C．indicating; interrupted | D．indicated; interrupted |
_________is known to us all is that the old writer, for __________ life was hard in the past, still works very hard in his eighties.
| A．What; whom | B．As; whom | C．It; whose | D．What; whose |
He is __________ as a leader but he doesn’t have _________in teaching.
| A．success; many experience | B．a success; much experience |
| C．success; an experience | D．success; a lot of experiences |
Come and see me whenever ______.
| A．you are convenient | B．you will be convenient |
| C．it is convenient to you | D．it will be convenient to you |
It`s on the festival occasion ________the family get together ________he misses his father.
A where; that B which; when C when; that D that; when