These shoes my mother bought for me are so ______ that they hurt.
A. tightly
B. tight
C. big
D. dirty
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At midnight there are ______ guards at the hotel.
A. five
B. four
C. two
Terry was so tired that he couldn't walk ______.
A. straight
B. straightly
C. steady
D. direct
—Are we late — I'm ______ so.
A. sure
B. certain
C. willing
D. afraid
______ the teacher came in, everyone was quiet.
A. Direct
B. Directly
C. Directly when
Direct when