We have been trying hard to find out the ____________of the homeless man, but without luck, no one can tell who he is.
| A．identity | B．memory |
| C．accent | D．difference |
They want to make _____ clear to the public that they are doing an important and necessary job.
| A．that | B．this | C．it | D．one |
It is suggested that another school___________ in our city.
| A．should build | B．be set up |
| C．will be set up | D．will build |
Computersin offices and homes since 1970s．
| A．was | B．had been used | C．have been used | D．has been used |
Tom studies harder this term. _________, he has made great progress in his lessons.
| A．Instead | B．After all | C．By the way | D．As a result |
The teacher as well as the students who_____fond of football,_____ playing together.
| A．are; is | B．are; are | C．is; are | D．is; is |