1 . ________the grown-ups were not able to understand it, I made another drawing: I drew the inside of the boa constrictor,________the grown-ups could see it clearly.

A．If, because

B．Since, so that

C．Though, because

D．If, as if

2 . He wanted to buy a £300 watch for his wife, but he was in ________a ________condition that an assistant refused to serve him.

A．such; conscientious

B．such; bedraggled

C．so; bedraggled

D．so; conscientious

3 . Mary had ______ much work to do that she stayed at her office all day.

A．such

B．so

C．too

D．very

4 . How time flies! It is 10 years__________ he graduated from university and so committed is he to his work__________ he has got promoted soon.

A．before; as

B．since; that

C．before; that

D．after; when

5 . The story is__________ interesting__________ everybody likes it very much.

A．very; that

B．so; that

C．such ; that

D．such; because