Some scientists think that it may take _________years to make robots look like people, and do the same things as us.
A. hundreds of B. two hundreds of C. two hundreds
-- Can we make this plan a week later?
-- No, we can’t put off _______ it because the meeting is only two days from now.
| A．to make | B．making |
| C．make | D．made |
--When _____ the abacus _____? -- In the sixth century by the Chinese people.
| A．is, invented | B．did, invent |
| C．was, invented | D．does, invent |
We have been friends for nearly twenty years. Nothing can break off our _______.
| A．friendship | B．pleasure |
| C．decision | D．experience |
In our city, ________ college students want to work as a teacher in holidays.
| A．thousand |
| B．thousands of |
| C．thousand of |
| D．two thousand of |
I don’t like eating chocolate. The taste is too ________.
| A．crispy | B．delicious |
| C．salty | D．sweet |