Experts believe________people can waste less food by shopping only when it is necessary. (2013·北京,33)
-----Was the class long enough? -----No, _______ enough.
The government of the country is trying to _____ the prices for foods in order to please people.
Is _____ possible to fly to the moon in a spaceship?
You can’t _____ until tomorrow morning after the blood examination.
We’re trying our best to get our English _____.