____ we invested in telecommunication industry, we would be rich by now.
A.Were
B.Should
C.Will
D.Had

A.luxuriant
B.vocabulary
C.contribute
D.controversy

A.reputation
B.continuous
C.engineer
D.magazine

A.advantage
B.attraction
C.preference
D.infinitive

Each of the following sentences contains one error. Underline and correct it. (10 pts)
She wondered how her friend looked like now, after so many years away.
A.wondered
B.how
C.looked
D.so many

Each of the following sentences contains one error. Underline and correct it. (10 pts)
Da Lat, where is located on High Land, is famous for its mild climate.
A.where
B.located
C.for
D.climate

A.understand
B.presidential
C.intellectual
D.ambitious

Each of the following sentences contains one error. Underline and correct it. (10 pts)
The effectiveness of learning with computers depend on some factors.
A.effectiveness
B.with
C.depend
D.factors

Each of the following sentences contains one error. Underline and correct it. (10 pts)
The office was broken into but nothing were missing.
A.The office
B.was broken
C.nothing
D.were

Each of the following sentences contains one error. Underline and correct it. (10 pts)
In order to being a good salesgirl, you mustn't be rude to the customers.
A.In order
B.being
C.mustn't
D.customers.