—Hi, Lily and Kate, are you classmates? —Yes, ________.
—What should I do when the earthquake happens, Dad?—First of all, it’s important to _________ and hide yourself in the corners of the room.
_________ volunteers will give out leaflets to ask people to protect the wetlands.
—Have you heard of _________ about Jeremy Lin (林书豪)?—Yes. He did quite well in the last NBA basketball match.
—Why are you late, Jim?—Because there _________ a lot of traffic when I came here.
—Wow! How beautiful! _________ flowers are these?—Today is Mother’s Day. They are for _________, Mum.