Do you think that Obama is honest and capable man?—Yes. And that is why he was chosen president of America.

Where is your brother?—He has gone to Beijing. He back in three days.

Why didn’t you go to play football with us yesterday afternoon? —I _____my mother with the housework then.

The town __________ we visited last year is much larger than before.[ ]

My mother asked me to go shopping yesterday. In this sentence” to go shopping” is_____．