--- Hello! Is Mr. John in the office?--- Yes. But I’m sorry. He is busy _________ and can’t speak to you.
#26347
A
at once
B
at present
C
at the end
D
at first
推荐题目
The sales boy thought he could persuade the boss of the company _____ buying some e-books.
#28947
A
about
B
into
C
to
D
on
(2013·辽宁高考)________ everyone here, I wish you a pleasant journey back to your country.
#25316
A
By means of
B
On behalf of
C
In search of
D
For fear of
________its low cost, the appeal of iron as a building material lies in its strength, its resistance to fire, and its potential to span long distances.
#27137
A
Other than
B
Apart from
C
Except for
D
Rather than