______ at the door before entering please.
| A．Knocked | B．Knock | C．Knocking | D．To knock |
With more people ____ the traffic rules, our city is becoming better organized．
| A．respect | B．being respected |
| C．respected | D．respecting |
I’m progressing in physics ____ the teacher’s well-organized teaching and exact explanation．
| A．because | B．as a result | C．as | D．as a result of |
She said the fun of reading books was different from ___ of any other kind．
| A．one | B．that | C．it | D．those |
---Would you mind me opening that door?
---_____ , but it’s not allowed．
| A．Yes, I do ． | B．Of course． | C．Not at all． | D．I’m sorry． |
The roads are crowded _____ walking is quicker than driving．
| A．in order that | B．so that | C．so as to | D．in order to |