More than two _______years ago, people knew little about the universe.
#51657
A
thousands
B
thousand
C
thousands of
D
thousand of
推荐题目
 —What can I do for you?   —I want ______.Thank you.
#51192
A
three kilos of tomatos
B
three kilo of tomatoes
C
three kilos of tomatoes
D
three kilos of tomato
We are going to have _________off next month, so we will go on a trip.
#51688
A
a two weeks’
B
two week
C
a two-week
D
two weeks
Now, everybody, please turn to Page ________ and look at the ________picture.
#51842
A
Fifth; five
B
Five; fifth
C
Fifth; fifth
D
Five; five