—You bought the car about ten years ago?

—Yes. ________ it's old, it still runs well.

A. Because          B. Since              C. Although         D. But

_____ they are very tired, they feel happy because they’ve finally finished their project.

A. So　　　　　 B. Although　　 C. If　　　　 D. But

You'd better take the map with you            you won't get lost,

     A. as long as         B. as soon as          C. now that           D. so that

Basketball has a history of nearly 300 years. Today it is still loved by______ the young___

the old.

A. both...and...         B. either... or...        C. not...but...        D. neither...nor...

 Tom rushed into the house______ his mother was cooking.

A. as                 B. before           C. while            D. after

You will achieve nothing 　　　　 　　　 you work hard.

A. if 　　　　　　　 B. unless 　　　　 C. when 　　　 D. that

— I suggest buying her a Teddy Bear for her birthday.

—_____someone else brings the same present?

A. If             B. What               C. What if        D. How about

 Don’t forget to wash your hands _________ you have meals.

   A. before   B. until   C. though   D. unless

一I can stay and help you_________ you like．

一So nice of you．Bill．

A．until　 B．．though 　C．if　　 D．and

 Keep off the drugs（毒品）,         you and your family will be in great danger?

    A. and      B. or     C. but      D. so