__________ pipelines are expensive to build, they are relatively cheap to operate and maintain.
A.Because
B.That
C.Although
D.Despite

- Have you been waiting here long? - _________
A.As long as it takes.
B.I didn’t.
C.Not really.
D.Long time no see.

When the boys won the tennis match, they were very pleased with_______ .
A.their
B.them
C.themselves
D.theirs

She ________ be forty years old! She looks much younger.
A.needn’t
B.can’t
C.
D.won’t

The children ________ to a party.
A.is invited
B.have invited
C.have been invited
D.invited

If she had finished earlier, she_________ to the party tonight.
A.will be going
B.would be going
C.was going
D.had gone

It is __________ film that we saw it twice.
A.such good
B.such good a
C.so good film
D.so good a

Modern __________ television carries a lot of advertising.
A.commercially
B.commercial
C.commerce
D.commercialize

The word “repeated” in paragraph 1 most probably means ______.
A.buying a season ticket again
B.doing something once again
C.saying something again
D.happening again and again

A.required
B.blamed
C.dissolved
D.talked