．— Let’s discuss the question raised last night, shall we?
— There is no hurry for that. I_____for a conference.
| A．headed | B．was heading | C．am heading | D．have headed |
______ make her father angry, Joan didn’t tell him her poor grade.
| A．In order to not | B．So that |
| C．So as not to | D．In order not to |
Samuel Clemens，______ Mark Twain, wrote many popular stories.
| A．was known as | B．known as |
| C．was known for | D．known for |
The old man used _____ in front of his house and he has got used to _______ like that.
| A．to sit; doing | B．to sitting; do |
| C．to sit; do | D．to sitting; doing |
You will ______ sooner or later if you keep working like that.
| A．break off | B．break down | C．break into | D．break out |
In the USA, the students who study business is more than _______ those who study agriculture.
| A．as many as ten times | B．as ten times than |
| C．ten times as many as | D．than ten times |