There are some health problems that, when ____ in time, can become bigger ones later on.
| A．not treated | B．not being treated |
| C．not to be treated | D．not having been treated |
______ I accept that she is not a perfect girl, I do actually like her.
| A．While | B．Since | C．Before | D．Unless |
____ to America, her parents have not heard from her.
| A．Because she went | B．After she went | C．When she went | D．Since she went |
It looks ____ it's going tosnow.
| A．that | B．as | C．as if | D．like that |
The size of the audience,____ is expected, is more than thirty thousand.
| A．as | B．what | C．that | D．whom |
John did the task____ his sister.
| A．as good as | B．as better as | C．as well as | D．as best as |