An increasing number of companies has changed dress codes, allowing employees to wear casual clothing in the work place.
A.in the working place
B.has changed
C.increasing
D.to wear

Mr. Lam insisted that we show our best knowledge, our enthusiasm, our keen on work and our sense of responsibility when working in a team.
A.when working
B.show
C.sense of
D.keen on

Victims of carpal tunnel syndrome include electricians drilling holes for wiring, airline workers to type at chest- high terminals, and check- out clerks lifting and twisting groceries to register prices on the scanner.
A.include
B.for wiring
C.to type
D.to register prices

After 116 million dollars had been spent, the Supreme Court stopped construction of the dam because of a little fish, __________ .
A.it was the famous endangered snail darter
B.being the famous endangered snail darter
C.to be the famous endangered snail darter
D.the famous endangered snail darter

Certain Paleolithis artifacts are given special terms __________ .
A.whose locations are indicating their discovery.
B.which indicating their location of discovery
C.indicating the location of their discovery
D.what the location of their discovery is

I am sure it was by mistake that your closest friend took your English book.
A.Your closest friend must have taken your English book by mistake.
B.I am sure your closest friend didn’t take your English book deliberately.
C.It is a mistake that your closest friend took your English book.
D.It is certain your closest friend didn’t take your English book on purpose.

She raised her hand high so that she could attract the teacher's attention.
A.To attract the teacher's attention, she raised her hand high.
B.She raised her hand high with a view to attracting the teacher's attention.
C.She raised her hand high but she failed to attract the teacher's attention.
D.She raised her hand high with the aim of attracting the teacher's attention

XIII:
Choose the best answer for each sentence
You should’t read that file; it contains _________ information.
A.constructive
B.preferential
C.confidential
D.inclusive

XIII:
Choose the best answer for each sentence
It’s been a good year. I’ve been written two books and a couple of articles, and _________ are now in print.
A.both of which
B.both of them
C.all of which
D.all of them

In what ways did American artists try to gain greater success?
A.by inviting European artists toAmerica
B.by traveling abroad
C.by becoming expatriates
D.by not only painting portraits