He hasn"t decided __ to London.A．whether to sail or flyB．if to sail or flyC．whet

题型：不详难度：来源：

He hasn"t decided __ to London.

A．whether to sail or fly

B．if to sail or fly

C．whether sailing or flying

D．if sailing or flying

答案

解析

略

举一反三

Aunt LI has arrived.Do you expect __ to pay her a visit?

A．going

B．go

C．to go

D．that you go

题型：不详难度：| 查看答案

She has just finished ___ her shopping.

A．to make

B．to do

C．doing

D．making

题型：不详难度：| 查看答案

The teacher wanted ___ as correctly as possible.

A．that the work was done

B．the work done

C．that the work did

D．the work to do

题型：不详难度：| 查看答案

She kept me ___ for a long time.

A．to wait

B．wait

C．waited

D．waiting

题型：不详难度：| 查看答案

The young trees require ___ carefully.

A．to look after

B．looking after

C．look after

D．looking for

题型：不详难度：| 查看答案