Play, often seen as____activity for kids, is still important in_________development of teenagers.
| A．the; the | B． an; the |
C．an; 不填 | D．the; 不填 |
---Whose advice do you think I should take?
--- ________ .
| A．You speak | B．That's it | C．You got it | D．It's up to you |
My uncle has a lot of books, _______ are about computer science and technology.
| A．most of them | B．most of that |
| C．most of which | D．and most of which |
He, along with his brothers, ______ how serious the situation is.
| A．haven’t realized | B．hasn’t realized |
| C．don’t realize | D．didn’t realize |
This is the factory ________ we visited last Monday.
| A．that | B．where | C．in which | D．the one |
______ you have finished your work, you ought to have a good rest.
| A．For | B．What if | C．Even when | D．Now that |