He feels it his duty ____ others.A．to helpB．to be comingC．helpD．helped

题型：不详难度：来源：

He feels it his duty ____ others.

A．to help

B．to be coming

C．help

D．helped

答案

解析

it作形式宾语，真的宾语是后面的不定式。

举一反三

We’ll get more money in the years_____.

A．coming

B．to be coming

C．to come

D．came

题型：不详难度：| 查看答案

I don"t know her and I don"t ___ either.

A．want

B．want to

C．want doing

D．to want

题型：不详难度：| 查看答案

The snake had no choice but ___ down and sleep.

A．lie

B．to lie

C．lay

D．to lay

题型：不详难度：| 查看答案

.My little son could do nothing but ___outside all day long.

A．play

B．to play

C．to playing

D．to be playing

题型：不详难度：| 查看答案

What worried the child most was _________ to visit his mother in the
hospital.

A．his not allowing	B．his not being allowed
C．his being not allowed	D．having not been allowed

题型：不详难度：| 查看答案