How often do I need to feed the birds—They______ food every day, or they will be hungry.

The foreigners have been in Beijing for three years,so they are familiar the city .

we go fora picnic this weekend —- Well,__________ We’ll have to see if the weather is fine

My daughter, 　　　job requires her to do a lot of travelling, is always away from home.

Have you ever read English novels ________.