—Why didn’t you stop them from in the lake? It was too dangerous. — Sorry, I forgot it. A. swimming B. swim C. to swim
—____ are new here. Let’s help ____. —OK.
—Where does he ____? —He ____ in Shanghai.
---I’m going to take part in The Voice Of China (中国好声音) next month. ---_____________.I am sure you will win.
– How long have you _________the bicycle? -- For two weeks.
Smoking is bad for our health. You had better __________smoking.