No matter how hard he worked, _______．

he could not do any better

and he could not do any better

so he could do any better

but he could not do any better

He made a promise _______ he would help me．

what

when

that

which

It is said that more middle school graduates will be admitted into universities, this is the information _______ has been put forward．

what

that

when

as

I can’t stand the terrible noise _______ she is crying loudly．

it

which

this

that

The fact _______ he didn’t see Lao Li yesterday is true．

which

that

when

what

Information has been put forward _______ more middle school graduates will be admitted into universities．

while

that

when

as

The less the surface of the ground yields(弯曲)to the weight of the body of a runner, _______ to the body．

the stress it is greater

greater is the stress

greater stress is

the greater the stress

The flatter a hair appears under a microscope, _______ wavier it is．

although

which

and

the

I can’t quite remember _______ you started doing the work．

that it was when

when it was that

when was it that

that was it when

It was not _______ she took off her dark glasses _______ I realized she was a famous film star．

when; that

until; that

until; when

when; then