_________ I am busy this weekend, I will go to the folk concert with you.

A. Since          B. Whether            C. If D. Unless

—We had better set off at once because time is __________.

—OK. Let’s start.

A. breaking out                    B. giving out

C. cutting out                    D. running out

—You never feel worried before an exam. How can you?

—Well, I’ve been working hard all the time. Surely I am _________ any exam.

A. busy with          B. afraid of

C. ready for          D. interested in

—I’m leaving now.

—It’s so late. Better stay with me. Call a taxi if you _______.

A. will              B. must         C. would         D. may

After that terrible disaster, the officer had no choice but to _________ calm to deal with different problems.

A. require        B. reduce     C. remind      D. remain

Twenty-five people died in the traffic accident in Guizhou Province. It’s _______ one that I have ever heard of.

A. a very serious         B. a more serious

C. the most serious       D. the least serious

—What beautiful sunshine! What are you going to do in the afternoon?

—It’s ________that I’ll go camping near the lake. Would you like to go with me?

A. high possible B. highly possible

C. high possibly  D. highly possibly

It’s very dangerous when you drive your car________ a certain speed.

A. beyond  B. beside     C. behind        D. between

—________ will the dinner be ready, Mum?

—Ten more minutes.

A. How much  B. How long   C. How soon   D. How often

—I saw David in the teachers’ office this morning. Do you know _________ he was there?

—He went there to hand in his homework.

A. how          B. whether           C. when         D. why