--- I’ve been waiting for you for an hour! Where have you been? --- ______. It’s rush hour now, you know. The traffic is too bad.
—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.
—Thanks for listening to my problem and giving me your advice, Amy. —_________. That’s what friends are for.
The moonlight is shining in _________ the window. Everything in the room looks so nice.
Zhang Lili, _________ good teacher, is regarded as _________ most beautiful teacher at present.