China ______ the WTO for more than 10 years, and it has brought great changes to it.
| A．has joined | B．has been in | C．has become a member of | D．has joined in |
____ it’s difficult to make her dream come true, she never gives up.
| A．Though | B．Because | C．If | D．So |
She is new here. So she knows ____ about her school
| A．nothing | B．something | C．anything | D．everything. |
I ___ a mistake . Please don’t be angry with me.
| A．make | B．has made | C．will make | D．made |
--______ will you come back? --- In an hour.
| A．How soon | B．How often | C．How long | D．How far |
Their house is _______ ours, but ours has a bigger garden.
| A．different from | B．the same as | C．similar to | D．familiar with |