单项选择题

It was not until 1920 () regular radio broadcasts began.

A. that
B. since
C. when
D. while

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单项选择题I’m sure Harry’s quite () to the task.

A. loyal
B. willing
C. equal
D. capable

Every autumns farmers () the soil to destroy the weeds....

单项选择题Every autumns farmers () the soil to destroy the weeds.

A. turn down
B. turn over
C. turn up
D. turn on

The meeting was put off because we () a meeting without...

单项选择题The meeting was put off because we () a meeting without John.

A. objected for having
B. objected to have
C. were objected to having
D. objected to having