It’s necessary        us        English well.
#49684
A
for , to learn
B
for , learning
C
of , learning
D
of , to learn
推荐题目
I had some trouble ___my homework
#50151
A
to finish
B
finishing
C
finishes
D
finish
Tom has no partner______.
#49092
A
to practice
B
to practice with
C
practicing
D
practicing with
—Wang Wei, what are you doing ? —I’m reading ______.
#48910
A
Mo Yan wrote a book
B
a book written by Mo Yan
C
a book was written by Mo Yan
D
a book to be written by MoYan