1) He talks as if he _____ there at that time.
　　　A) was
　　　B) were
　　　C) had been
　　　D) has been
Key: C
　　2) Isn't it about time you _____ to do the work?
　　　A) began
　　　B) begin
　　　C) have begun
　　　D) had begun
Key: A
　3) — I'll pay you by check monthly.
　　— I'd rather you _____ me in cash weekly.
　　　A) pay
　　　B) will pay
　　　C) had paid
　　　D) paid
Key: D
　　4) I could go myself but I would sooner you _____ .
　　　A) went
　　　B) go
　　　C) had gone
　　　D) will go
Key: A
　　5) In the absence of friction, belts _____ in conveying power from one machine to another.
　　　A) will not be used
　　　B) could not be used
　　　C) can not be used
　　　D) may not be used
Key: B