The biggest question is _____ will take charge of the company.
A. whether
B. that
C. who
D. if
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Great changes have taken place everywhere in the city. It is no longer _____ it was 20 years ago.
A. what
B. how
C. that
D. which
The trouble is ______ we can get there on time.
A. what
B. that
C. how
D. whether
What do you think of her suggestion ______ we all attend the dinner?
A. which
B. whether
C. that
D. what
Could I speak to ____ is in charge of advertising, please?
A. anyone
B. someone
C. whoever
D. no matter who
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