You’d better leave the windows _________ and the door ___________.

A．open, closed           B．opened, closing

C．opened, close           D．open, close

　　　　　 　how to do the homework, I went to ask my teacher for help.

A. Not to know　　 B. Not knowing 　   C. Knowing not　　 D. Not known

The managers discussed the plan that they would like to see _______the next year.    　　A．carry out       B．carrying out　   C．carried out     D．to carry out

The picture ________ on the wall is painted by my nephew.

A. having hung 　  B. hanging 　　 　 C. hangs 　　 　　D. being hung

_____ time, he’ll make a fist-class tennis player.  

A. Having given    B. To give          C. Giving           D.Given

As we joined the big crowd I got _________ from my friends. 

A. separated       B. spared           C. lost            D. missed

We all made him ________ head of our class.

A．the             B．a           C．one               D．/

_______ to take this advance course will certainly learn a lot of useful skills.

A．Brave enough students   B．Enough brave students

C．Students brave enough   D．Students enough brave

---I’d like to buy a new computer.

---Well, we have several models __________.

A．to choose from         B．to choose

C．for choosing           D．for choice

This is Mr. Smith. _______ help I worked out many difficult problems.

A．whose       B．with whom   C．who            D．with whose