China's first regional regulation on online sales issued in Hangzhou, which is home to a number of China's e-commerce heavyweights such as Alibaba, will take _ effect on May l．
| A．the; \ | B．\;an | C．\, \ | D．a; the |
---There is still some doubt ______ he is innocent.
---That’s why he was accused ______ the crime.
| A．that; with | B．whether, of | C．that, of | D．whether, with |
It’s ______ to sign up for the cooking contest when you can’t cook a meal by yourself.
| A．reasonable | B．conventional | C．positive | D．ridiculous |
---______, the floor is really slippery.
---Thank you for reminding me.
| A．Mind your step | B．Walk slowly | C．Mind your feet | D．Come this way |
__________ the crisis of economy getting more and more serious, the government is searching for ways to improve people’s life.
| A．As | B．For | C．With | D．On |
He is no longer in good condition, and his ability to work is limited. I _______ him to give up the job but failed.
| A．suggested | B．persuaded | C．tried to persuade | D．managed |