第1个回答 2011-09-21
a large number of ;a great deal of; a lot of;lots of;a large amount of;a host of;many a;a great quantity
第2个回答 2011-09-21
a number of
a lot of
lots of
a great deal of;
a great many;
a large number of;
heaps of本回答被提问者采纳
第3个回答 2011-09-21
a lot of
lots of
many
a quantity of
quantities of
a number of
a great amount of
amounts of
a great deal of
a good many of