Our school forbids_____ ,that is to say, we are not allowed ____ at school.
| A．to smoke, to smoke | B．students’ smoking, smoking |
| C．students’ to smoke, smoking | D．students’ smoking, to smoke |
The light will be thrown ______ the cause of cancer by research that is now in progress.
| A．to | B．upon | C．in | D．for |
—Why was he unhappy yesterday?
—A letter from home ______ an attack of homesickness.
| A．set off | B．set out | C．set about | D．set up |
_____great progress Jim had made in _______ time!
| A．What a ; such a short | B．What ; so short a |
| C．How a ; such a short | D．How; such short |
The governor made no ______ about the fight between the Red Shirts and the Thai Troops.
| A．comment | B．measure | C．benefit | D．campaign |
. No one knows exactly ______ after 2012.
| A．what will our world look like | B．how will our world look like |
| C．what our world will look like | D．how our world will look like |