Mr Zhang asked a question, but it was ________ that nobody could answer it.

[　　]

There are five pairs ________, but I'm at a loss which to buy.

[　　]

In order to gain a bigger share in the international market, many state-run companies are striving ________ their products more competitive.

[　　]

It was ________ fine weather that we decided to go camping on ________ day.

[　　]

A．so; such

B．such; so fine a

C．so; so a

D．such; such

Whom would you rather ________ with you, Peter or John?

[　　]

Next year my little sister ________ ten years old.

[　　]

A．is to be

B．is going to be

C．shall be

D．will be

Li Ping worked hard at his lessons these days. ________, he passed the exam.

[　　]

A．At first

B．At the beginning

C．As a result of

D．As a result

This shirt ________ me. It's too large.

[　　]

The fish will ________ fresh for several weeks if it is put in the fridge.

[　　]

The discovery of the new evidence led to ________.

[　　]

A．the thief having caught

B．catch the thief

C．the thief being caught

D．the thief to be caught