Children under six years of age can have a 50% discount _________ accompanied by a coupon.
A.when
B.now
C.only
D.

Overtime charges are applicable __________ the holiday season, as well as every Saturday and Sunday night.
A.if
B.which
C.during
D.when

Banks have introduced a call-banking system …. customers do not have to go to the bank or cash dispenser.
A.
B.despite
C.because
D.so that

Foreign corporations that have invested in the country have increased significantly in recent years, largely _____________ the government’s tax regulations.
A.
B.because of
C.
D.in so far as

__________ hard they have tried to surpass our company in semiconductor manyfacturing technology, they have never made any progress.
A.as
B.however
C.although
D.because

The merchandise that you purchased from is still returnable ____________ you have your receipt.
A.as long as
B.together with
C.whereas
D.in case of

___________ Mr Jones ask to get the recent sales figures, please provide him with a copy of the quarterly report.
A.If
B.Should
C.When
D.After

That we will see an increase in the production capacity of our auto parts manufacturing plant __________ the next year is obvious.
A.during
B.when
C.since
D.while

Had the student spoken (A) politely (B), the teacher wouldn’t be (C) angry (D).
A.angry (D)
B.wouldn’t be (C)
C.Had the student spoken (A)
D.politely (B)

Suppose (A) you have (B) the money in your account, you can withdraw (C) up to (D) $100 a day.
A.up to (D)
B.Suppose (A)
C.have (B)
D.can withdraw (C)