Question

Passengers on board aren’t allowed _____ calls during take-off.  

A．making or receiving	B．having made or received
C．to have made or received	D．to make or receive

Answer 1

D

试题分析：allow sb to do sth这里是短语的被动形式，动词不定式的完成时表示它的动作在谓语动词之前发生，不符合句意，故选D。
点评：本题难度适中。本题对已学知识点的回顾，考查最基本的常见的动词短语的意义。需要考生平时多记多练。
即学即练：I appear _____ a small mistake.
A. making       B. having made   C. to have made        D. to make
解析：C。句意：我好象犯了个小小的错误。