I had a hard time learning math last year. 
#39953
A
was hard-working
B
worked hard
C
had trouble
D
didn’t like
推荐题目
 –How many people were invited to the meeting ?--About six        .
#41375
A
hundred
B
hundreds
C
hundreds
D
hundreds of
The accident happened ______ 7p.m. ______ 9p.m.
#43103
A
from; to
B
both; and
C
between; and
D
either; or
Sally  shouted with joy when she knew she won the first.
#41347
A
happiness
B
illness
C
surprise
D
difficulty