—You look unhappy， my son?—I’m wondering how long it’ll be we come to China again.
#92681
A
since
B
when
C
before
D
after
推荐题目
Newton was sitting under an apple tree ______ an apple fell onto his head.
#92858
A
when
B
while
C
after
D
before
The machine has been used many years_____ it doesn’t work well occasionally.
#94762
A
That’s because
B
It’s no wonder that
C
There’s no doubt if
D
It’s unlikely that
The newly-built house is the old one.
#91981
A
twice the size of
B
as twice big as
C
the twice size of
D
bigger twice than
_______ work did we have to do that we were so exhausted.
#92138
A
Too much
B
So much
C
Too little
D
So little
Only when _____ possible to settle the problem how to get the machine repaired.
#93384
A
does the monitor come will it be
B
the monitor comes will it be
C
has the monitor come it will be
D
the monitor comes it will be