Tim is weak in math, so he is trying _________ up with other students now.
#59587
A
to catch
B
catch
C
catching
D
caught
推荐题目
The shop ________from 9 a.m. to 9 p.m. But it ________at 8 pm. on Sundays.
#59014
A
is open, open
B
open, opens
C
is open, opens
D
is opened, open
The doctor ________ the woman ,but he couldn’t find out what was wrong with her.
#61443
A
looked over
B
looked after
C
looked for
D
looked out
