The boy burst into tears ________ he saw his mother.
| A．at the moment | B．in a moment | C．for a moment | D．the moment |
He waited until it was dark ____ nobody could see him clearly.
| A．so that | B．in order to | C．although | D．However |
Now there are many _____ in our company.
| A．woman doctor | B．women doctor |
| C．woman doctors | D．women doctors |
We should think of ways to stop the waste from the factory _____ our living environment.
| A．being polluted | B．polluting | C．from being polluted | D．Polluted |
As far as I know, this man ____ risk anything than lose the ring for his wife.
| A．would rather | B．had better | C．preferred | D．would like to |
She locked her room _____ a thief would break into it.
| A．in case that | B．for fear that | C．in case of | D．for fear of |