—Why don't you go home?
—Because a lot of work________yet.
A．hasn't finished B．hasn't been finished
C．has been finished D．haven't finished
I'll return the book to the library as soon as I________it.
A．will finish B．am going to finish
C．finished D．have finished
This is the best dinner that I________.
A．enjoyed B．have enjoyed
C．had enjoyed D．enjoy
—Isn't it hard to drive downtown to work?
—Yes，that's why I________to work by train.
A．have been going B．have gone
C．was going D．will have gone
—Look！How long________like this?
—Three weeks! It's usual here that rain________without
stopping these days of the year.
A．has it rained；pours B．has it been raining；pours
C．is it raining；is pouring D．does train；pours
He________Beijing，so he knows a lot about it.
A．has gone to B．has been to
C．went to D．goes to
