When you go _______ the street, you must look at the traffic lights. When it’s red, you must stop.

In many places in China, the old over 90 not only by their family but also by the government.

The girl go herself into a serious situation____she was likely to lose control over the motorbike.

Are you still busy? —Yes, I __________my work, and it won’t take long

Have you finished your homework yet?—Not yet. I ______ to do it just a few minutes ago.