Each of us has to write a _____ report every two weeks.
A．two-hundred-word
B．two-hundreds-word
C．two-hundreds-words
_______you want to improve your oral English, why not practice speaking English every day?
| A．So that | B．Now that |
| C．Such that | D．In order that |
_____more and more students show little interest in her class makes her puzzled.
| A．How | B．Why | C．What | D．Whether |
Social attention should be paid ________our earth from________.
| A．to preventing; being polluted | B．to prevent; polluting |
| C．to prevent; being polluted | D．to preventing; polluted |
---What did your parents think about your decision?
---They always let me do_____ I think I should.
| A．when | B．that | C．how | D．what |
We don’t permit _______in the classroom; that is to say, students aren’t permitted ________in the classroom.
| A．to smoke; to smoke | B．smoking; smoking |
| C．smoking; to smoke | D．to smoke; smoking |