________the foreign friends here is over 400. And ________them come from the USA.A.The number of; the number ofB. A number of ; a numberC. The number of ; a number ofD. A number of ; the number of
---Whose dictionary is that? ---It must ____Linda. I saw her using it just now.
—You didn’t have so much time, did you? _______. I had nothing to do all day.
—Whose volleyball is it? —It ________ Carla’s. She doesn’t like volleyball at all.
—_______ do you improve your English? —I improve it _______ reading aloud.
After a heavy rain , There is ___________ water on the playground .