It may take _________ years to make such robots .
#51467
A
hundred of
B
two hundreds
C
hundreds of
D
hundred
推荐题目
We are sure the_________Olympic Games in Beijing next year will be one of_________games in history.
#51903
A
twenty-nine; more successful
B
twenty-ninth; more successful
C
twenty-ninth; the most successful
D
twenty-nine; the most successful
---Wow! These inventions are amazing．—They were all invented _______years ago.
#51552
A
hundred
B
hundreds
C
hundred of
D
hundreds of
No school ever allows students to eat in class. But students are always allowed to eat snacks during the ________ break.
#51609
A
ten-minutes’s
B
ten-minute
C
ten minutes
D
ten-minutes