---The mid-exam is coming. I have some trouble with my lessons. ---Don’t worry. I think I can give you some suggestions ________.
#28520
A
value
B
valuable
C
of valuable
D
of value
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Oh, dear! There isn’t enough _____ for us in the lift. Let’s wait for the next.
#27843
A
floor
B
seat
C
room
D
ground