The accident that happened at an oilfield____ the southeast coast of the U.S.A has caused great damage to the environment.
The teacher asked us to ______ all the words on the blackboard.
Half an hour has been made full ______ of _____ the problem.
More than 300 years ago, the British used “fall” instead of “______”.
--Joyce, please don’t stand on the bookstand.--Pardon?--I _____ stand on the bookstand.
---Can you tell me what role a mobile phone______ in our daily life?--Of course.