Mike had just finished his lunch and was about to take a break _____ an unexpected visitor came.
#33274
A
when
B
while
C
so
D
for
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Someone called me up in the middle of the night, but they hung up ____I could answer the phone.
#32645
A
as
B
since
C
until
D
before
Are you willing to live in an age _____ 4G technology will bring about an information revolution?
#31138
A
where
B
when
C
whose
D
which
_______ you have got such a good chance, you’d better make full use of it.
#33595
A
Now that
B
Although
C
As soon as
D
Even if
(2013·杭州模拟)Encouraged by my science teacher, I set about my studies on developing my product, I hope I will succeed in applying for a patent(专利权).
#30598
A
with whom
B
to whom
C
through which
D
for which