_______ I’m not sure of winning the match, I will have a try anyway.
| A．While | B．Before | C．Once | D．Since |
—Has the doctor _______the old woman of her illness?
—No, he ______ her but didn’t ________ her.
| A．cured; treated; treat | B．cured; cured; treat |
| C．treated ; treated; cure | D．cured ; treated; cure |
—Is the White House _________ to ordinary visitors?
—Of course.
| A．adjustable | B．available | C．reasonable | D．accessible |
The little boy was allowed to go swimming _______ he kept near the other boys.
| A．provided that | B．in case | C．now that | D．by the time |
—It’ll take me at least 2 hours to do this!
—Oh, _______! I could do it in 30 minutes.
| A．come on | B．pardon me | C．you are right | D．don’t mention it |
Although the working mother is very busy, she still ____ a lot of time ____ children.
| A．devotes…on | B．devotes….to | C．spends…to | D．spends…in |