Vitamin D helps our bodies make a special chemical, and this special chemical, _______, affects our brains, making us feel happy.
| A．in turn | B．in particular | C．in return | D．in short |
—Who is the old man talking with your teacher?
—I don’t know. I _________ him before.
| A．was never seeing | B．had never seen |
| C．never saw | D．wouldn’t see |
You needn’t hurry her; she _______ it by the time you are ready.
| A．will have finished | B．will finish |
| C．will be finishing | D．has finished |
— Look! How long ________ like this?
—Three weeks! It’s usual here that rain _______ without stopping these days of the year.
| A．has it rained; pours | B．has it been raining; pours |
| C．is it raining; is pouring | D．does it rain; pours |
— Hello, Jim. I________ to see you today. Sonia said you ________ ill.
—Oh, I’m OK.
| A．don’t expect; were | B．haven’t expected; are |
| C．am not expecting; are | D．didn’t expect; were |
—I’ve bought a box of chocolates for our daughter.
—Oh, how good a dad! But she doesn’t like sweet things. ________that?
| A．Don’t you know | B．Haven’t you known |
| C．Didn’t you know | D．Hadn’t you known |