To make the students understand the problem the teacher tried to explain it, but the explanation just did not _________to the class．
| A．get through | B．get around | C．get down | D．get across |
The gym is a public place, so you should be ________ and leave all the machines clean after using them.
| A．considerate | B．cautious |
C．subtle | D．modest |
The ability to _____ one another for past wrongs is one of the greatest attributes that anyone should possess or exercise.
| A．explain | B．forgive |
C．excuse | D．apologize |
They were close ______ each other in high school and now are still ______ touch.
| A．to; with | B．to; in |
C．with; in | D．with; with |
—I have won the first prize in the recent English contest.—______________!
| A．Congratulations | B．Cheers |
C．Best wishes | D．Good luck |
I hurried back home only ________ that I had left my key at my office.
| A．to find | B．finding |
C．having found | D．found |