After the bell rings, which indicates the ending of the exam, you ________ stay where you are until all your papers are collected．

A．shall

B．would

C．will

D．can

The problems ________ at the meeting tomorrow are really hard to solve．

A．discussed

B．to discuss

C．to be discussed

D．discussing

－Will you come to my office when you ________ your work?

－Sure．

A．finished

B．are finishing

C．have finished

D．will finish

－Can I help you．sir?

－I ________ if you ________ tell me the way to the Grand Hotel．

A．wonder; can

B．have wondered; could

C．am wondering; can

D．wondered; could

The number of people, who have access to their own cars, ________ sharply in the past decade．

A．rose

B．is rising

C．have risen

D．has risen

________ in a red skirt in the opening ceremony of the 2008 Olympic Games, the little girl Lin Miaoke won the hearts of the people all over the world．

A．Dressed

B．Worn

C．Dressing

D．Wearing

________ Obama was elected president of the USA is a big success for the blacks in America．

A．不填

B．That

C．What

D．As

________ was in this research ________ I collected Sufficient data for my report．

A．It; which

B．What; where

C．1t; that

D．That; where

Faced with the exams, we should work as hard as we can．________, we shouldn't do it at the cost of our health．

A．Therefore

B．However

C．Moreover

D．Furthermore

In the earthquake, parents were willing to do ________ they could ________ their children．

A．whatever；save

B．whatever；to save

C．what；saving

D．what；to save