_______ 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
________ he returns to his native land.
#93046
A
It is long that
B
It is not before long that
C
It won’t be long before
D
It will be long until
¾ Will you spare me a few minutes now? ¾ _______. But I’ll be free in half an hour.
#94206
A
Yes, of course
B
No. I can’t
C
Yes, with pleasure.
D
I’m afraid not
_________ others whenever you can _______you will feel happy.
#92666
A
Help; and
B
To help, and
C
Helping; so
D
Helped; then
.Only when you ________can you earn a living, .
#94231
A
settle down
B
takes a risk
C
react to
D
cheer on
I was about to tell him the secret _____ someone patted me on the shoulder.
#92124
A
as
B
until
C
while
D
when