--- Who has eaten all the cake, Jim? --- Oh, must be your two pet dogs.
There must be _____ book which could help .
I hope _____ the job she's applied for (申请) .
_________ last as his coach suggested, he wouldn’t have narrowly escaped being killed.
Getting good marks is about _______ to prepare for and to write exams but not just about ______facts you know.
The consequences of our actions are unbelievably complicated and diverse _______ predicting the future is a very difficult business indeed.