______ the worker’s working efficiency, the manager will allow him to have a cof

题型：不详难度：来源：

______ the worker’s working efficiency, the manager will allow him to have a coffee break.

A．Improving

B．To improve

C．Having improved

D．Improved

答案

解析

略

举一反三

Three days after Mrs White’s _______ necklace was found, she was _____ it.

A．lost; robbed	B．missed; robbed of
C．missing; robbed of	D．lost; robbed

题型：不详难度：| 查看答案

---He spent as much time as he could __________ his spoken English.
--- Wish him good luck !

A．improve

B．improving

C．to improve

D．improved

题型：不详难度：| 查看答案

In the reading room, we found her ________ at a desk, with her attention ________ on a book.
seating; fixing B. seated; fixed C. sitting; fixing D. to sit; fixed

题型：不详难度：| 查看答案

He left his homeland, _________ never _________ back again.

A．determined; to come

B．being determined; to come

C．determined; coming

D．determining; coming

题型：不详难度：| 查看答案

The place is worth _________.

A．pay a visit

B．paying a visit to

C．paying a visit

D．pay a visit to

题型：不详难度：| 查看答案