It was problem that of the students could work it out.

It was       problem that       of the students could work it out.

#35633

so hard a ; a few

such a hard ; few

such hard a ; few

so a hard ; a few

推荐题目

-- Is air the lightest thing in the world?-- Not            . Scientists from Zhejiang University have just developed the world’s lightest material.

#35412

now

yet

then

again

---Mr. Bill always makes his class very lively and interesting. --- You are right. No one teaches ____.

#35788

good

well

better

best

I think you will pass the exam in the end.

#35403

later on

at the end of

at first

finally

 Daniel plays chess _______ , if not better than , David .

#35207

as well

as well as

so well

so well as

The woman is very busy so she ________ watches TV.

#36052

often

always

seldom

almost

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