My family __ all looking forward to your coming.
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When to leave __ not been decided.
A. has
B. have
What he said and what he did __ always different.
A. were
B. was
The novelist and poet ___ going to Europe next year.
A. is
B. are
The United States __ found in 1776.美国成立于1776年。
A. was
B. were
C. is
D. are