are made  of        
#29105
A
Glasses; glasses.
B
Glass; glass
C
Glasses; glass.
D
not start out.
推荐题目
---What do we need to buy? --- ________.
#28219
A
Two kilos of potatoes and two packets of salts
B
Two kilos of potatoes and two packet of salt
C
Two kiloes of potatos and two packets of salt
D
Two kilos of potatoes and two packets of salt
 I want to get __________ about Qinghua University yesterday.
#29938
A
many information
B
much information
C
a lot information
D
some information
-How many ___________ would you like?-Two, please. I have a friend here. 
#29062
A
cup of tea
B
cup of teas
C
cups of tea
D
cups of teas