Chris appears as though he_________the secret.
A. knows
B. has known
C. had known
D. knew
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It is a kind of_______ train.
A. out-and-out
B. up-to-date
C. on-the-spot
D. out-of-the-way
The rising________of living caused his anxiety.
A. price
B. spend
C. expense
D. amount
There is not much_______can be done right now.
A. that
B. which
C. what
D. whom
If you plan to travel, you should inform us_________the destination.
A. with
B. for
C. in
D. of
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