The changes in our chemistry lab will cost quite a lot, ____ they will save us money in the long run.
| A．or | B．since | C．for | D．but |
.
— I’m dead tired. I can’t walk any farther, Jenny.
— ________, Tommy. You can do it!
| A．No problem | B．No hurry |
| C．Come on | D．That’s OK |
.
—I must thank you for taking the trouble to look after my sick mother.
—_______.
| A．With pleasure | B．It doesn’t matter | C．It was no trouble at all | D．By all means |
.
The teacher had the students __________ all the words they didn’t know.
| A．looked up | B．looking in | C．look up | D．look at |
.
. Did you notice the little boy __________ away?
| A．took the candy and run | B．take the candy and run |
| C．taking the candy and run | D．who taking the candy running |
.
The work should be given to ________ you think can finish it ahead of time.
| A．who | B．whom | C．whoever | D．whomever |