1 . They both study very hard. (同义句转换)
______________________study very hard.

2 . Jerry and Scott are from the United States，but_______ of them are interested in Beijing Opera.

A．all

B．both

C．neither

D．either

3 . —Which is more useful，biology or chemistry?
—I think________them are useful.

A．either of

B．none of

C．both of

D．all of

4 . ________the two boys come from the USA.

A．Neither of

B．All of

C．Either of

D．Both of

5 . Mr. Hand’s two sons are in Beijing and b_____________ of them are middle school students.

6 . Jim’s parents don’t know much English, but________ of them like to chat with foreign friends.

A．neither

B．some

C．both

D．all

7 . The old man lives happily with his three dogs. He considers ________ of them as part of his family.

A．neither

B．none

C．both

D．all

8 . ________them is from Canada among the foreign students.

A．Both of

B．Neither of

C．None of

9 . ---- Does your best friend have the same hobby as you?
---- Yes. __________ of us like playing soccer.

A．Most

B．All

C．Every

D．Both

10 . ______Jim ______his cousin has been to America, but to our surprise, _______of them know the country well.

A．Not only; but also; all	B．Neither; nor ; both
C．Both; and; each	D．Either; or; none