It’s a difficult skill to master, but ______, it will benefit you for the rest of your life.
#90000
A
once obtained
B
when to obtain
C
after obtaining
D
while obtaining
推荐题目
____all the required papers. he didn't answer the questions fluently in class.
#88905
A
Having not read
B
Not having read
C
Not read
D
Not to read
The patient was warned ________ oily food after the operation.
#94475
A
to eat not
B
eating not
C
not to eat
D
not eating
It is not enough only_______the rules of grammar if you want to learn English well.
#98056
A
keeping in the mind
B
to keep in mind
C
to keep in your mind
D
keeping in your mind
The teacher asked more _____ to prevent the students’ eyes from being injured.
#98843
A
to do
B
done
C
to be done
D
being done