【C6】
A.a couple of
B.a number of
C.a large quantity of
D.a set of
【C4】
A.great number of
B.a great deal of
C.plenty of
D.numerous
A.Because they are lowly paid.
B.Because they are docile.
C.Because they are malleable.
D.Because they are highly paid.
A.Because it is clean.
B.Because it tastes delicious.
C.Because it saves time.
D.Because it is nutritious.
A.Because of the development of industry.
B.Because of the pasteurization process.
C.Because of the new discoveries.
D.Because of the increasing number of cattle.
A.Because it's dark.
B.Because it makes her think.
C.Because there are two-dimensional characters in it.
D.Because the dialogues in it are superficial.
A.Because it is so luminous.
B.Because it is broad.
C.Because it is where the Heaven is.
D.Because it is so remote from us.
A.Because he is thirsty.
B.Because he loves drinking.
C.Because it is good manners.
D.Because he has not had enough.
A.Because of their strong desire for good health.
B.Because of their love for hobbies and pastimes.
C.Because of their fear of heart disease.
D.Because of their extra energy.