It is believed that a new kind of drug ______ by the scientists and they are hopeful that they will succeed in a few months.
It’s not what we do once in a while _________ shapes our lives, but what we do consistently.
There’s some doubt __________he’ll keep his promise.
Do you know ____John is getting on well with his studies?
-------Each of the students,working hard at his other lessons,______to go to university. ---So do I.
—What’s the matter with you? —______ the window , my finger was cut unexpectedly.