—Shall I give you a ride as you look so tired?

—Thank you. _______

A. It’s your duty.       B. Don’t mention it.

C. Do as you like.       D. It couldn’t be better.

Mike and I planned to meet at 8:00 at the school gate, but he didn’t _______ until 8:30.

A. turn up          B. stay up

C. give up          D. grow up

—Let’s go climbing to the top of the mountain, shall we?

—You _______be joking! Don’t you know I’m afraid of high places?

A. may             B. must

C. can             D. should

March 22 nd is Water World Day, but too much water ______ in our life every day.

A. wastes            B. wasted

C. is wasted         D. was wasted

—Do you think the problems in the physics test were difficult?

—Sure. I could ______ work them out.

A. easily        B. hardly

C. nearly          D. finally

You won't feel happy at school ______ you get on well with your classmates.

A. though           B. when

C. unless           D. because

Read this story, _____ you will realize that not everything can be bought with money.

A. or               B. and

C. but               D. so

We can do a lot to stay healthy. ______, we should eat a balanced(平衡的) diet.

A. At a time              B. In fact

C. First of all           D. All together

In America, when you’re given a present, you can open it ____. You don’t have to wait.

A. immediately        B. properly

C. carefully           D. quietly

Finally, she ______ to push the heavy driver’s door open enough so that the lights turned on.

A. managed            B. tried

C. started            D. decided