?What _______ useful book!

?Yes, it is. But I find it _______ hard for me to read.

A. an; very

B. a; too

C. an; too

D. a; quite

?What happened to Paul?

?He was crossing the street _______ a motor-bike hit him from behind.

A. while

B. when

C. until

D. because

The man ________ Jenny was so tall she could hardly see the show.

A. in front of

B. in the front of

C. at the back of

D. at the beginning of

You should finish our lessons _______ you go to play.

A. as soon as

B. as

C. before

D. when

---How much does it _______ to fly from Beijing to Haikou one-way?

---About 1000 yuan.

A. cost

B. pay

C. spend

D. take

Tony, the radio is too loud. P1ease _______.

A. turn it over

B. turn it on

C. turn it back

D. turn it down

?________ ?

?He is a computer engineer.

A. How is he

B. Who is he

C. What does he do

D. What is he like

Sorry. Somebody ______ my wallet. So I can't pay for the ticket.

A. stole

B. steal

C. is stealing

D. was stealing

They saw her _______ when they passed the classroom.

A. to dance

B. dance

C. dancing

D. danced

While she ______ TV, her husband came back.

A. was watching

B. watched

C. watches

D. would watch