All these activities can serve as a platform ______ you might find the one you love.
| A．which | B．that | C．when | D．where |
The rules of our school don’t allow ______ at school. That is to say, Nobody is allowed _____ here.
| A．to smoke; to | B．smoking; smoking |
| C．to smoke; smoking | D．smoking; to smoke |
There were two teachers named John ________at our school, which made some of our students _____.
| A．working; confused | B．worked; confusing |
| C．work; confused | D．to work; confusing |
They always communicated with each other on the Internet, but they never met him _____________.
| A．back to back | B．heart to heart |
| C．face to face | D．side to side |
--The room is so dirty.____ we clean it?
---Of course.
| A．Will | B．Shall | C．Would | D．Do |
--The room is so dirty.____ we clean it?
---Of course.
| A．Will | B．Shall | C．Would | D．Do |