With time changing so fast, to keep _____ with time, anyone should be a lifelong learner, or he will fall behind within years.
—Have you seen ______ film before? —Yes. I saw it on ______ Christmas Day, but I can’t remember the exact year.
Listening to music at home is one thing, going to hear it live is quite another.
You won’t find paper cutting difficult _____you keep practicing it.
One of the most effective ways to reduce is to talk about feeling with someone you trust.
If you have any doubts about your health, you’d better______ your doctor at once.