She had just finished her homework __________ her mother asked her to practice __________ the piano yesterday.
| A．when; playing | B．while; to play |
| C．after; play | D．since; played |
.
―Tom will be here to attend a meeting tomorrow.
―Oh, I he today.
| A．think, was coming | B．think, is coming |
| C．thought, was coming | D．thought, is coming |
.
There are many more advantages of buses______cars.
| A．for | B．to | C．over | D．with |
.
---How can you_____them_____the solar cars?
---Solar cars are getting better all the time.
| A．persuade,to use | B．persuade,into using | C．persuade,in using | D．persuade,for using |
.
Camp Xtreme is the biggest adventure camp in Scotland and has 15_____staff.
| A．good training | B．good trained | C．well trained | D．well training |
.
Marco______his tales though few people at that time believed it to be true.
| A．stood up | B．stood by | C．stood on | D．stood to |