. It is the test system, _____ the teachers, that is to blame for the heavy burden of middle school students nowadays.
. . If Mary carries on working like this, she will ______ sooner or later.
. _____ the book where it was ______.
. She couldn’t ______ the fact that the money was found in his house.
. Your essay is too long. You’d better _______ to about 1000 words.
. The man founded a charity(慈善事业)_____________ his late wife.