--- 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
Sometimes our opinions differ _______ what we choose to observe and how we deal with what we’ve observed
#27624
A
which
B
since
C
because
D
because of
A reminder is something which reminds somebody______somebody or something else.
#27583
A
from
B
for
C
with
D
of
We are working _________ that everyone invited will turn up.
#27420
A
assume
B
to assume
C
in the assumption
D
on the assumption
Maybe If I get my grades_______at school, I can enter the key university.
#29080
A
up
B
out
C
on
D
over