－Personally，I believe I can do it well on my own．
－________Self confidence is the first secret of success．
| A．It's up to you． | B．Take it easy． |
| C．Let' s get going． | D．I'm with you on that． |
Grammar mistakes of this kind _____ widely among Chinese students.
| A．have been made | B．has been made | C．have made | D．has made |
You can use a larger plastic bottle, ____ is cut off, ____ as a pot to grow flowers in.
| A．of which the top; with it’s top | B．whose top; with its top |
| C．whose top; the top of it | D．the top of which; with it’s top |
Do you remember the day when you ____ the Party?
| A．took part in | B．joined in | C．joined | D．attended |
I was really anxious about you. You______ home without a word.
| A．mustn’t leave | B．shouldn’t have left |
| C．couldn’t have left | D．needn’t leave |
I remembered _____ the door before I left the office, but forgot to turn off the lights.
| A．locking | B．to lock | C．having locked | D．to have locked |