Our office has r to Shanghai from Beijing.

Joe was celebrating his success with his colleagues. M____________, his father was waiting for him at home.

In order to protect the environment，people are greatly encouraged to travel by public________.

A. transport B. service

C. means D. transfer

What an important role the Internet _____ in our life! One can hardly imagine ____ life would be like without it.

A. plays, how B. is, however

C. uses, what D. plays, what

Would you like to________us？We are going to________the school’s 20th anniversary celebration on May 1,2015.

A. join in；take part in B. join in；join

C. take part in；join D. join；take part in

Most of the students in the Occupy Central movement in Hong Kong ______ have participated for more rights, but what they did caused serious effects on people’s living.

A. should B. might

C. would D. Can

You _______be Carol. You haven’t changed a bit after all these years.

A. must B. can

C. will D. shall

You ________be careful with the camera. It costs!

A .must B. may

C. can D. will

】All rivers (流向) into the sea.

Use a ruler to (量) the width of that cloth.