We believe we can _____ a way to solve the problem of pollution in the future.
---- does it take you to watch TV?---- About forty minutes.
There is milk in the fridge. You need to buy some.
----When is your father going to Hong Kong?---- He is going there the morning of November 10th.
---- does your sister surf the internet?---- About once a week.
Mr. Green ___ to the manager now. You’d better call him later.