Nobody knew ______.

A. what will happen in the future

B. when she will achieve her dream

C. how he got to the top of the tower

D. if he would get here soon.

Some people are afraid that ______ air pollution may cause changes in weather around the world.

A. aB. 不填C. anD. the

—It will snow hard tomorrow and I will give you a ride to school.

—What a great ______ !

A. offerB. informationC. messageD. order

—1 am stressed out about the coming exam, Mom.

—Be confident and you will do ______ you set in your mind.

A. whichB. thatC. somethingD. anything

—1 wore sports shoes to the party by mistake yesterday evening.

—Oh, dear, you must be very ______ at the party!

A. tired B. satisfied

C. embarrassedD. surprised[

—Are you pleased with the result of the exam?

—Not at all. I can't have ______ .

A. a worse one B. a better one

C. the worst oneD. the best one

—Have you seen Jack?

—Oh, yes, he walked ______ me just now.

A. acrossB. pastC. throughD. around

—How wonderfully Jim is swimming in the pool！

—It ______ be Jim. I am not sure.

A. needn'tB. mustn'tC. may notD. can't

—All the oil in the world will ______ some day.

—Yeah. What shall we use at that time?

A. give awayB. put away

C. run out D. pick out

Mary is tired of learning because she is always ______ to do better than she can , both at school and at home.

A. thoughtB. expectedC. protectedD. helped