I bought a vase of the Ming dynasty at such a low price at the Sunday market．It was really a nice ________．

bargain

value

sale

prize

He is wearing sunglasses to ________ his eyes from the strong sunlight．

protect

prevent

save

help

It rained hard yesterday, ________ stopped me from going to work．

that

which

as

it

－Go for a picnic this weekend, OK?

－________ I love getting close to nature．

Why not?

I'm afraid not．

I believe not．

I don't think so．

There was ________ time when the two countries were at ________ war．

the;/

the; the

a;/

a; a

That he left without a word ________ all the people present at the birthday party last Wednesday evening．

astonishing

astonished

astonish

astonishes

They worked long hours for several weeks ________ everything returned to normal．

before

when

since

unless

Generally speaking, ________ according to the directions, the drug has no side effect．

when taking

when taken

when to take

when to be taken

－I'd like to go with you, but I'm busy with my examinations these days．

－________．

I'm sorry

Really?

What a pity!

Never mind．

I shall never forget these days ________ I spent with the farmers, ________ has a great effect on my life．

when; which

that; which

which; that

when; who