He was unable to ________ to the students what he meant.
| A．get through | B．get across | C．get down | D．get around |
—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 |