The rainstorm came while Ann ________ her purse in the classroom.
A. was looking for B. looked for C. is looking at D. looks at
（题文）All the students were sleeping _______they heard a man _______“help”.
A. when; shouting B. while; to shout
C. when; to shout D. while; shouted
My father was reading a newspaper while my mother ______ dinner.
A. is cooking B. cooks
C. was cooking D. will cook
The boy with two dogs ________ in the yard when the earthquake hit the city.
A. is playing B. are playing C. were playing D. was playing
I tried several jackets on,but _______ of them looked good.
A. both B. either C. none D. neither
.---Dad, could you please drive ?
---No hurry. We have enough time before the plane takes off.
A. faster B. fastest
C. more slowly D. more carefully
