Milk quickly goes bad in summer it is in a fridge (冰箱).
| A．if | B．because | C．unless | D．When |
.Thank you ___your postcard ___ Shanghai.
| A．of, of | B．for, from |
| C．from, from | D．for ,for |
--Does your father like _______ computer games at home? --Not really.
| A．making | B．keeping |
| C．playing with | D．playing |
I usually stay ______ bed on Sunday morning.
| A．at | B．in | C．on | D．for |
—Will you join the Chinese Club?
— _____. .
| A．Yes, I join | B．No, I won’t join |
| C．Yes, I will | D．No, I don’t |
—How soon will you come back from your hometown?
—_____ three weeks.
| A．Since | B．In | C．At | D．On |