________ some exercise is good for her. It’s time for her ________ a rest.
| A．Doing; having | B．Doing; to have |
| C．To do; having | D．Do; to have |
He was ______ tired ______ go on walking.
| A．so, that | B．such, that | C．too, to | D．as, as |
Have you ever read books ______ by Lu Xun?
| A．writing | B．written | C．are written | D．writes |
—It’s too late. I have to go now.
—Oh, it’s raining outside. Don’t leave ______ it stops.
| A．since | B．until | C．while | D．when |
—Thank you for the nice birthday present.
—______ .
| A．Don’t say so. | B．You’re welcome |
| C．Thanks a lot | D．No problem |
There are ______ floors in the building and my home is on the ______ floor.
| A．twenty; fifteenth | B．twenty; fifteen |
| C．twentieth; fifteen | D．twentieth; fifteenth |