He will come to understand your efforts sooner or later. It's just a matter of_______.
| A．time | B．value | C．luck | D．fact |
As Jack left his membership card at home, he wasn't allowed_______ into the sports club.
| A．going | B．to go | C．go | D．gone |
—All the isatis root（板蓝根） is sold out!
—People are crazy! experts say there is no use eating isatis root to prevent
H7N9, some people still don’t believe it.
| A．Although | B．Unless | C．As a result | D．In order that |
It was _______ bad weather______ they all had to stay at home.
| A．such a, that | B．such; that | C．so; that | D．so; to |
Mary won in the_______ race last week.
| A．woman’s 400—meter | B．woman’s 400—meters |
| C．women’s 400—meter | D．women’s 400—meters |