II.单项填空(共15小题;每小题1分,满分15分)21.The news came to us as _______ great surprise that he had turned __________ writer. A a; a B a; / C. /; a D. /; /
The reason ______ Old French made contributions to Middle English is ______ English borrowed many words from it.
I suggest they _______ at once. A. setting off B .to set off C. set off D have set off
There are three eggs _______ by the hen_______ under the tree.
Don’t worry. I’m sure you’ll succeed _______ if you work hard.
Many rules in English are ______, and large numbers of students feel ______ them.