He sensed something unusual ________ he came into the mom.

[　　]

—How long have you lived here?

—________.

[　　]

A．Since the beginning of the year.

B．In 1990.

C．Not long ago.

D．Only until the end of the year.

How I envy you ________ your good luck !

[　　]

America was ________ was first called “India” by Columbus.

[　　]

Shanghai is ________ the east of China, which is ________ the Changjiang River.

[　　]

—If that is not yours, ________?

—Perhaps Tom's.

[　　]

A．who else can it be

B．who's else it can be

C．whose else can it be

D．whose else's can it be

________ he made up his mind to take a trip to Canada?

[　　]

Of the two VCD sets, Father chose ________.

[　　]

A．the less expensive one

B．the one most expensive

C．the least expensive

D．the most expensive of them

—Please don't he late for class .

—________.

[　　]

I received a letter ________ America, in which Tom introduced me the old town ________ the ancient times .

[　　]

A．dated from; dated from

B．dating back to; dating back to

C．dating from; dated back to

D．dated from; dating back to