单项选择题
______ John Adams who in 1775 recommended George Washington to be commander in chief of the Continental Anny.()
A. It was B. That was C. Although D. When
单项选择题 The houses built of brick last longer than______built of wood.()
单项选择题 The monitor ______ ill, we'd better put the meeting off.
单项选择题 You’ll have to pay for the holiday in ______ ，Tom．
