Children often quarrel and even fight with each other, but it won't be long before they _______and play together.
The scenery in the desert is quite different from _____ by the seaside.
The questions the reporter asked sometimes were ______ and they made me _______.
— I went to see a film yesterday. — Oh, did you? ______.
What great changes! It’s years since I ____ Chengdu last time.
Research shows that people feel unhappy and worried when they have nothing to do . _______, the happiest are those who are busy.