---What do we need to buy? --- ________.
0ld people are often .We should listen to them and care for them.
He must be in trouble now. What should I do? ---______ .he will be OK .
——Where can I buy meatless sausages ? ——Meatless sausages? I don’t understand________
My brother _____ to the ground while ____ his bicycle and hurt his leg .
---What's the matter? --- I got hit ____ the face.