19．We’dbettersetoffnow,oritwil

19．We’d better set off now, or it will be dark__________we know it.

A．until

B．after

C．when

D．Before

登录免费查看答案和解析

相关试题

—Our motherland needs development all the way to the future.
—That’s really what we need.

A．timely

B．effective

C．further

D．natural

收藏答案/解析

The boy whose mother was out for business hurt a finger, an apple into pieces.

A．to cut

B．cut

C．cutting

D．and cutting

收藏答案/解析

—Why is the house in a mess?
—I it for Christmas since three days ago.

A．cleaned	B．cleans
C．have cleaned	D．have been cleaning

收藏答案/解析

—How amazing! Cloud looks like a large elephant.
—Yeah, it really does.

A．A

B．An

C．The

D．不填

收藏答案/解析

_______ homework did we have to do that we had no time to take a rest.

A．So much

B．Too much

C．Too little

D．So little

收藏答案/解析