We must ___ on our study..A．concentrateB．concentrate atC．concentrate onD．concen

题型：不详难度：来源：

We must ___ on our study..

A．concentrate

B．concentrate at

C．concentrate on

D．concentrate with

答案

解析

题意为：我们必须全神贯注于我们的学习。此题考查固定短语的应用。Concentrate on … 意为“集中（注意力）于….专心于…”。其余选线不存在搭配。故选C。

举一反三

It was the longest film we have ever seen ; it ____ three hours..

A．lasted

B．ended

C．finished

D．completed

题型：不详难度：| 查看答案

I never thought our museum would_______so many visitors.

A．be appealed

B．appeal

C．be appealed to

D．appeal to

题型：不详难度：| 查看答案

As_______the sports meeting，they met with an unexpected thing.

A．preparing for

B．preparing

C．prepared for

D．prepared

题型：不详难度：| 查看答案

Even with the guide leading the way，they_______to cross the thick forest.

A．didn’t dare

B．dare not

C．dared not

D．not dared

题型：不详难度：| 查看答案

Before taking the action，you’d better_______a plan first.

A．make out　　　　

B．work out　　　　　

C．take out　　　　　

D．put out

题型：不详难度：| 查看答案