He is of medium build.
| A．not tall or short | B．thin or heavy |
| C．of medium height | D．not thin or heavy |
When I got to the bus stop．I missed the early bus and I had to____ the next one．
| A．give up | B．keep off |
| C．call off | D．wait for |
－Why didn’t you buy any bread?
－Sorry, I _____．
| A．forget | B．forgot |
| C．remember | D．remembered |
Great changes _______in Tongren in the past five years．
| A．have happened | B．have taken place |
| C．have been happened | D．have been taken place |
Although many great people ever failed, they never_____ and managed to succeed.
| A．set out | B．stayed up |
| C．kept on | D．gave up |
When you have difficulty, do remember to _____. Two heads are better than one.
| A．make a decision | B．give up |
| C．ask for help | D．give advice |