His parents are convinced ____ the fact the their son always focuses his mind ___ his study.
#26690
A
of; on
B
of; at
C
by; to
D
on; at
推荐题目
_______ the school, he saw his parents ________ for him at the school gate.
#25584
A
At reaching; waited
B
On arriving; waiting
C
At arriving; waited
D
On reaching; waiting
It is difficult to find a satisfying job today．This job is great ________ salary, but it has some disadvantages．
#28163
A
in terms of
B
in case of
C
in favor of
D
on top of
Unfortunately, I caught a bad cold and ached all _____ last night.
#27553
A
the way
B
over
C
at once
D
the worst