－Personally，I believe I can do it well on my own.
－________Selfconfidence 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. |
Ladies and gentlemen, please remain __________ until the plane has come to a complete stop.
| A．seated | B．seating | C．to seat | D．seat |
We are invited to a party _________in our club next Friday.
| A．to be held | B．held | C．being held | D．holding |
_________ the right kind of training , these teenage soccer players may one day grew the international stars.
| A．Giving | B．Having given | C．To give | D．Given |
Nowadays people sometimes separate their waste to make it easier for it .
| A．reusing | B．reused | C．reuses | D．to be reused |
When he the door, he found his keys were nowhere.
| A．would open | B．opened | C．had opened | D．was to open |