—Mary, could you tell me if your mother ________ our school sports meeting tomorrow?　　

—I think she will come to school if she _________ free.　　

 A. will take part in; will be                        B. takes part in; is             

   C. will take part in; is                             D. takes part in; will be

If she        here tomorrow, I will tell you.

     A. comes       B. will come        C. come         D. came

I’m waiting for my friend.      , I’ll go shopping alone.

A. If she comes   B. If she doesn’t come     C. If she won’t come

They develop their skills _________ they can do things better and better.

    A. however      B. because          C. since                D. so that

 Zhou Libo is Shanghai’s favorite funny man. He is good at making people laugh. His lively shows were _________ hot that tickets sold out in minutes.

   A. very   B. too   C. such   D. so

－What time will Diana get to Chengdu?

 －I’m not sure. When he ________, I’ll call you.

A. will arrive     B. arrive      C. arrives  

—Let’s go fishing if it _____ this weekend.

—But nobody knows if it _______.

    A. is fine, will rain                   B. will be fine, rains

    C. will be fine, will rain              D. is fine; rains

 They develop their skills _________ they can do things better and better.

    A. however      B. because          C. since                D. so that

 As we all know, planting trees is good for the environment. Our class will go to the Sun Island tomorrow. As soon as we      there, we’ll begin to plant trees.

A. arrived  B. arrive   C. will arrive

— May I go to the concert with you?

— I’m afraid not ____ you have a ticket, because I have only one.

　 A. since　　　 B. if　　　　 C. unless　　　 D. though