Two-thirds of the area ________ with trees .

[　　]

The number of the workers in our factory ________ in yours .

[　　]

A．is more than that

B．are more than those

C．is larger than that

D．are larger than those

________ a hard-working race .

[　　]

The old ________ .

[　　]

There ________ only a bed besides some desks and chairs in Li Lei's room .

[　　]

The old man as well as his two daughters ________ paying a visit to China now .

[　　]

All that can be done ________ .

[　　]

Thirty percent of the students ________ from the north . The rest of them ________ from the south .

[　　]

I have had my coffee. The rest in the pot ________ for you .

[　　]

Thirty-seven years ________ not long in the history of mankind .

[　　]