Ben was busy taking a training class.  ______we had to wait for himfor half an hour..
#57651
A
so
B
if
C
or
D
but
推荐题目
______ he is very busy, Li Ming always helps others.
#56088
A
Although
B
If
C
Unless
D
Since
— __________ will the meeting start?—In about ten minutes, I think.
#56228
A
How long
B
How soon
C
How often
D
How far
Li Ming studies hard            he can pass the exams.
#55530
A
because
B
as soon as
C
so that
D
when
 ____my brother ____ my sister is able to use a computer. However, I can.
#56044
A
Neither ---- nor
B
Not only ---- but also
C
Either ---- or
D
Both---- and