The protesters _______ the meeting by singing and shouting.

Although they are divorced, he still has regular _______ to the children.

At the meeting, the old man _____ some good advice about bringing down the market price of housing.

The children loved their day trip, and they enjoyed the horse ride___

(2013·重庆一中模拟)—Who ________ be phoning us at this time of night?—It might be your sister.