II. Vocabulary and Structure ( 15 points)6[单选题] __________John Adams who in 1775 recommended George Washington to be commander in chief of the Continental Army.
A、It was
B、That was
C、Although
D、When
[单选题] __________is terribly tiring working late like__________.
A、This; it
B、It; this
C、What;it
D、It;what
[单选题] Bill looked around for a participant__________.