______ a piece of ice outside in such hot weather, and you’ll soon find it melt.

题型：不详难度：来源：

A．To put

B．Put

C．Putting

D．Having put

答案

解析

考查特殊结构。祈使句+and +陈述句，故选B。

举一反三

The pilot asked all the passengers on board to remain________ as the plane was making a landing.

A．seat

B．seating

C．seated

D．to be seating

题型：不详难度：| 查看答案

China recently tightened its waters controls near the Huangyan Island to prevent Chinese fishing boats from _______ in the South China Sea.

A．attacking	B．having attacked
C．being attacked	D．having been attacked

题型：不详难度：| 查看答案

______ that he has wasted too much time, the boy is determined to stop playing video games.

A．Realized

B．Realizing

C．To realize

D．Having realized

题型：不详难度：| 查看答案

Charles Babbage is generally considered to _______ the first computer.

A．to invent

B．inventing

C．to have invented

D．having invented

题型：不详难度：| 查看答案

Please excuse me for _____ in without ______．

A．coming, asking	B．coming, being asked
C．to come, asking	D．to come, being asked

题型：不详难度：| 查看答案