－What made you so delighted at Christmas?
－__________.
| A．I received many more presents than others |
| B．Because my parents promised me a new car |
| C．My uncle’s coming back from abroad |
| D．As there was an unusual celebration |
This is a kind of traditional classroom teachingstudents are taught a lot about grammar rules.
| A．where | B．which | C．what | D．when |
—Shall I turn the heating on?
—Sure, it's so cold in here. I'm freezing.
| A．rarely | B．naturally | C．merely | D．absolutely |
The No. l subway,at the end of 20l4, will greatly improve the traffic conditions in Qingdao.
| A．opened | B．was opened | C．opens | D．to be opened |
Air pollution is getting more and more serious, so we must take action it is too late.
| A．before | B．after | C．until | D．when |
—Where is the post office?
—It's just over there, at the end of the street. You not miss it.
| A．can | B．must | C．may | D．would |