—______can you finish your homework?
—In about one and a half hours.
A. How fast B. How soon C. How often
There ________ a football match and a concert this weekend.
A. is B. are C. will be
More and more people can ________ over 100 years old in the future.
A. live for B. live in C. live to be D. live be
There will be _______ jobs for people because some robots will do the same jobs as people.
A. many B. more C. fewer D. fewest
If people keep ________ the river, there will be no fish in the river.
A. polluting B. pollute C. polluted D. to pollute
Please wait. She ________ to you in a few minutes.
A. talk B. talked C. have talked D. will talk
