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. /; /
_____ in thought completely, he didn’t even know what was going on.
The manager introduced the rules that she would like to see _______ the next year.
,Mom had a cup of coffee and a few minutes’ rest.
When why he behaved that way at table,he made no reply.
The problemsat the meeting tomorrow are really hard to solve.