I haven’t seen you for a couple of days. What have you been up _____?
#28949
A
in
B
to
C
with
D
for
推荐题目
He wanted to pass the exam and stayed up very late，while this ________created further problems.
#25250
A
in turn
B
in case
C
in doubt
D
in short
It is reported that_________of this week the price will have risen by about 10%．
#26271
A
by the end
B
at the end
C
in the end
D
at an end
Before you pay a visit to a place of interest, look in your local library a book about it.
#25747
A
on
B
at
C
for
D
to
News reports say peace talks between the two countries have broken down ______ no agreement reached.
#27445
A
with
B
as
C
because
D
like