— Have you solved your problem?— I’ve kept on thinking about that matter__________, but I have had no idea.
#45928
A
at times
B
some time
C
at a time
D
all the time
推荐题目
LangLang has a gift for             piano.
#50041
A
playing
B
play the
C
playing the
D
making the
If you work hard, it’s not so difficult ___________ you _____________English well.
#48770
A
of; learn
B
for; to learn
C
of; to learn
D
for; learn