________ small, the company has about 1,000 buyers in over 30 countries.
A. As B. If
C.Although D.Once
He is so busy. He cannot afford enough time with his son ________ he wants to.
A.even if B.as if
C.because D.before
________ we have enough evidence, we can't win the case.
A.Once B.As long as
C.Unless D.Since
I have heard a lot of good things about you I came back from abroad.
A. since B. until
C. before D. When
Don't turn off the computer before closing all programs, ________ you could have problems.
A. or B. and
C. but D. so
I was glad to meet Jenny again, ________ I didn't want to spend all day with her.
A. but B. and
C.so D.or