He had already walked three or four miles ________ he saw a cart, half－full of hay, by the side of the road．

A．while

B．when

C．the moment

D．unless

－It's said that two Chinese engineers were kidnapped by terrorists in Pakistan yesterday．

－Yes, ________ news came as ________ great surprise．

A．the; the

B．×;×

C．the; a

D．×; a

After all it ________ great effort and much time to master any foreign language．

A．takes

B．uses

C．spends

D．pays

－Now, where is my purse?

－________!We’ll be late for the picnic．

A．Take your time

B．Don’t worry

C．Get a move on

D．Take it easy

The conference has been held to discuss the ________ brought by the development of tourism in the area．

A．efforts

B．effects

C．results

D．causes

Look at the black clouds．It ________ soon．Let’s go home now．

A．is raining

B．rain

C．rains

D．is going to rain

－I have put my books on your desk．

－I didn’t hear her clearly．It’s too noisy here．

－She ________ that she ________ her books on your desk．

A．said; have put

B．said; had put

C．asked; had put

D．asked; put

A warning news report from Qatar announces that a group of Islam will continue to kill Americans ________ they are until they leave the Arab world forever．

A．whoever

B．whichever

C．whenever

D．wherever

In common, the northerners are keen on dumplings ________ the southerners are fond of rice．

A．because

B．while

C．when

D．unless

________ you are grown-up, you should not rely on your parents．

A．Now that

B．After

C．Although

D．As soon as