To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.
It's so nice to hear from her. ______ , we last met more than thirty years ago.
—Do these paintings ______ you? —Yes,especially the colors of them.
—Is this your jacket, Xiao Li? —No, perhaps someone ______ it behind when the meeting was held.
—Why is Jimmy so popular with his classmates? —Because he is humorous and always ______ jokes.
5. His parents put a lot of effort into getting him ______ to a key school.