They often takewalk after dinner.

Can you help me with the bike? — Sorry, I’m a little busy now. Read the instruction. It______, “Do it yourself”.

How did your uncle learn to play the guitar?—By ________.

Excuse me.Did you see a girl in red passing by just now?—-No,sir .I______a newspaper.

Do you spend a lot of time____ computer?—No, but I spend much time_____ doing my homework.[ ]