A (n) ______ soccer lovers were watching the world cup competition on TV when the light went out．

1. A.
   number of
2. B.
   amount of
3. C.
   plenty of
4. D.
   great deal of

A (n) ______ soccer lovers were watching the world cup competition on TV when the light went out．

[　　]

A．number of　　　B．amount of

C．plenty of　　　D．great deal of

In the botanical garden we can find a(n)____of plants that range form tall trees to small flowers.

A.     species  B. group  C.  amount  D. variety