It _________ Lin Tao and his brother who helped the old man several days ago．

were

was

are

had been

Tom is ill．Have you heard about _________?

that

this

it

which

I was disappointed in the TV play; I had expected _________ to be much better．

that

this

it

them

_________ he realized it was too late to return home．

No sooner it grew dark when

Hardly did it grow dark than

It was not until dark that

It was until dark that

_________ has already been pointed out, fast reading is important in English study．

As

It

That

This

_________ who suggested that he _________ to Beijing for further study．

It was her; went

It was her; go

It was she; went

It was she; go

_________ it’s such a long way _________ they will camp out instead of getting back．

It’s likely that; that

It’s because;/

It’s when; that

It’s said;/

_________ his poorness, _________ he has never given in to the rich．

Although; but

Though; so

In spite of;/

As; still

Do some exercise _________ you feel tired．

the first

each time when

every time

no wonder

Her efforts led to her success while his failure _________ his laziness and carelessness．

leads to

due to

led

was due to