Our teacher told us that there ______ no end to learning.
A. was
B. is
C. has
D. had
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If I not so busy, I ____ with you.
A. was; would go
B. were; would go
C. was; should go
D. were; will go
___________ work in Microsoft?
A. Did you used to
B. Did you use to
C. Do you used to
Do you use to
Marry said that he didn't know _______.
A. how to say and do
B. what to say and do
C. how to say or do
D. what to say or do
I will have a try ______ I should fail.
A. until
B. even though
C. however
D. as long as
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