Some scientists think that it may take ______years to make robots look like people, and do the same things as us.
#51743
A
hundreds of
B
two hundreds of
C
two hundreds
D
two hundred of
推荐题目
The earthquake killed ____ ___ .people .
#51254
A
thousand
B
three thousands
C
thousands of
D
three thousands of .
-- Which floor does John live on? -- He lives on the __________floor of the building.
#51703
A
five
B
fifth
C
fifteen
D
fifty
—How many birds can you see in the trees?—I can see birds in the trees.
#51374
A
hundred of
B
five hundreds
C
hundreds of
D
five hundreds of
The newly built school canteen(餐厅) is big enough to hold two ________ students at lunch time.
#51567
A
thousand
B
thousands
C
thousand of
D
thousands of
---How old is your mother? ---She is ______years old. Today is her ______birthday.
#51162
A
fourteen；fortieth
B
fourty; forty
C
forty;fortieth
D
fortieth;forty