When he came back, he found the bag he had ______________ over the seat was gone.
| A．left hanging | B．left to hang | C．left hung | D．to leave hanging |
Smoking does great harm to our health. is smoking allowed in public places.
| A．At no time |
| B．In no time |
| C．At all times |
| D．All the time |
--- How did you learn to speak English so well?
--- By practicing English I had a chance.
| A．whatever |
| B．however |
| C．whenever |
| D．whoever |
Mr. Li made up his mind to devote all he could his oral English before going abroad.
| A．improve |
| B．to improve |
| C．improving |
| D．to improving |
Teenagers who discover they were often search for their biological parents when they are old enough.
A.adapted
B. adopted
C. brought up
Mr. Smith,of the speech, started to read a novel.
| A．tired; boring |
| B．tiring; bored |
| C．tired; bored |
| D．tiring; boring |