Some scientists believe that there will be more robots in       years.
#50952
A
hundreds of
B
hundred of
C
two hundreds of
D
two hundreds
推荐题目
There were          different kinds of dinosaurs in the word in the past.
#51715
A
hundred of
B
two hundred of
C
hundreds of
D
two hundreds of
The earthquake killed ____   ___ .people .
#51254
A
thousand
B
three thousands
C
thousands of
D
three thousands of .
His son is _______ now. Today it’s his _______ birthday.
#51534
A
four; four
B
fourth; four
C
four; fourth
D
fourth; fourth