When they had finished playing, the children were made to all the toys
they had taken out.
| A．put off | B．put out | C．put up | D．put away |
— Mike got “F” in his history test.一 ? He has been working so hard on it.
| A．How come | B．So what | C．What for | D．Why not |
— _________ was it _________ they discovered the entrance to the underground palace？
— Totally by chance.
| A．What; that | B．How; that | C．When; how | D．Where; that |
Mr. Wang made up his mind to devote all he could _____ his oral English before going abroad.
| A．improve | B．to improve | C．improving | D．to improving |
Try the new cleaner. Just a few minutes every day－that’s all it takes－_________ you could have shining floors and furniture.
| A．but | B．and | C．or | D．so |
Recently some studies have found that learning ___________ second language can lead to __________ increase in one’s brain power.
| A．a; the | B．不填; the | C．a; an | D．the; an |