She kept _________ hard at her physics and finally caught up with us.
#53052
A
work
B
worked
C
working
D
to work
推荐题目
She ________ his number in the phone book to make sure that she had got it right.
#58617
A
looked up
B
looked for
C
picked put
D
picked up
Turn off the water while you ________ your teeth or washing your hands.
#52150
A
were brushing
B
brush
C
are brushing
D
brushed
—Tomorrow we’ll have an English exam. I’m worried about it.—____ You will do better.
#54722
A
Cheer up.
B
Hurry up.
C
By the way.
D
Take it easy.
For most people, it’s very difficult to _____ air on the top of Qomolangma.
#52281
A
take out
B
take off
C
take up
D
take in