_______ is shown in the report, the living standard of the people in China has greatly improved over the past decades.
| A．what | B．which | C．as | D．who |
—Is it OK to take this seat?
—Sorry, .
| A．it’s taken | B．take it | C．here you are | D．never mind |
-I didn't go to the art show, because I lost my ticket．
-You______have borrowed mine I didn't go to see it anyway
| A．would | B．need | C．could | D．must |
Birds'singing is sometimes a warning to other birds________away.
| A．staying | B．stayed | C．stay | D．to stay |
Interest is as_______to learning as the ability to understand,even more so.
| A．vital | B．available | C．specific | D．similar |
I'm pleased to hear that you've come here to _______this matter in person.
| A．lead to | B．see to | C．refer to | D．turn to |