---Nanyang has changed a lot in the past five years.
---Yes. You can see lots of new buildings ,flowers and trees on ___side of the street.
| A．every | B．either | C．both | D．all |
Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.
| A．mustn’t | B．ought not to | C．needn’t | D．don’t have to |
Boris has brain. In fact, I don’t think that anyone in the class has ________ IQ.
| A．a high | B．a higher | C．the higher | D．the highest |
— What do you think of the young lady?
— She is hard-working. She ________ all her effort into her work before she got ill.
| A．has put | B．put | C．had put | D．would put |
The cost of living in Chengdu is among the lowest in China, ________ the quality of life is probably one of the highest.
| A．since | B．when | C．as | D．while |
— Do you have any plans for the winter holiday?
— Since you are crazy about music, why not go to some ________ concerts?
| A．lively | B．live | C．alive | D．living |