完成句子
Tom doesn’t know how long it will be before he ________(得到允许)carry on with the research．(allow)
The London Olympics Games will be held in 2012, when perhaps I ________(在学习)as a freshman in a university there．(study)
He lay on the glass ________(双臂交叉)under his head, looking into the sky lazily．(with, cross)
When we’ll go abroad ________(有待弄清楚)．(remain, see)
It ________ good ________(讲得通)to continue with the reforms．
Little Tom ________ ________(悄悄溜进)the classroom and hid under the desk．
You’d better not ________ ________(查阅)the dictionary when you come across a new word while reading．
The film was made ________ ________ ________(为了纪念)his grandfather．
If you have any problems, you should make management ________ ________(清楚)them．
One of our greatest athletes has ________ ________ a new ________(接受挑战)．