A： are these hats?
B：They are black and white.
| A．Where | B．How | C．What | D．What color |
It will take _____ years to make robots _____ the most unpleasant things .
| A．hundred ; to do | B．hundreds of ; to do |
| C．two hundreds; do | D．hundreds of ; do |
My life _____ a lot_____ than it is now .
| A．will be; good | B．is ; better | C．will be; good | D．will be ; better |
I predict he will be an engineer _____ten years because he is so interested in making things.
| A．in | B．after | C．later | D．for |
If there are _____trees, the air in our city will be _____ cleaner.
| A．less; more | B．more; more | C．more; much | D．much; more |
I _____rockets to the moon when I grow up.
| A．will put | B．be flying | C．will be fly | D．will fly |