He got _____ when he heard the bad news.
A. happy
B. angry
C. angrily
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Which language is ___ to learn,English,French or Chinese?
A. difficult
B. more difficult
C. the most difficult
He has made____ progress this term than before.
A. great
B. more great
C. greater
He lay in bed,_____.
A. awake
B. wake
C. woke
We need to do something to keep our classroom _____.
A. cleaning
B. clean
C. cleaned