I simply couldn’t understand how it _____ that you did so much work within such a short time．
| A．came about | B．came back | C．came up | D．came along |
--- Wait until we get a satisfactory reply, will you?
--- I couldn’t agree . The idea sounds great to me．
| A．much |
| B．worse |
| C．more |
| D．at all |
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