Mary felt sad over the loss of photos she had shot in Australia, ______ that was a memory she especially  treasured.

______ scientists know where a storm will happen, winds will suddenly change, carrying the storm to a new direction.

I hope _____ every one of us will be OK in the exam.
A whose         B whether       C what      D that

You mustn’t drive _____ you have drunk.

What we have been doing may not do us any good, but ______ it will benefit us or others,we’ll stick it out.

One more day，________I’ll get everything ready.

—You see，I’m poor in maths，you are not good at English，and...
—That’s________we should help each other.

—My teacher punished me this morning.
—Why? You’ve done nothing wrong, ______ I can see.

---- ________ you like the cell pone so much, why not buy it?
---- Well, I don’t have enough money.

Crossing roads without taking traffic lights into consideration, _____ they are part of a crowd, has been labeled as the “Chinese style of crossing roads”.