_______ on your study, and you will make greater progress.
#93243
A
Concentrating
B
If you concentrate
C
Concentrate
D
To concentrate
推荐题目
Her dog ran out of the yard           the old lady opened the gate .
#94137
A
moment
B
a moment
C
the moment
D
that moment
You can’t judge a book by its cover, ____________.     
#91961
A
as the saying goes old
B
goes as the old saying
C
as the old saying goes
D
goes as old the saying