This bed is too hard. I feel very ________ in it.
A. happy
B. unhappy
C. comfortable
D. uncomfortable
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--Please ________ these books, Bob. Ok.
A. give off
B. give out
C. give up
D. give in
There are some ________ in these ________.
A. knifes; photoes
B. knives; photoes
C. knives; photos
D. knifes; photos
Which one is not a means of transportation?
A. subway
B. piano
C. plane
D. taxi
Great changes have ______ in my hometown.
A. taken place
B. happened
C. been made
D. taken the place of