The teachers are doing what they _____ their stuaits.
| A．can to teach | B．can teach | C．can teaching | D．can to teaching |
There is no doubt ______he will come to our party.
| A．that | B．if | C．whether | D．what |
A: --- Are you coming to Jim’s birthday party ?
B: --- I’m not sure. I ________ go to the concert instead.
| A．should | B．would | C．must | D．might |
That was the first time I _______ there and I was impressed by the friendly people very much.
| A．go | B．was going | C．had gone | D．have gone |
The reason ______he gave at the meeting for being late was not reasonable.
| A． why | B．for which | C． that | D．because |
I ______ my university professor in the supermarket near my house, which was out of my expectation.
| A．came out | B．came across | C．came about | D．came along |