your English is poor, why not ________ anEnglish club to improve it

Jimmy is looking forward to the winter holiday.He will visit Beijing________ it begins.

The population of China ________ 13 billion，and 80% of the population________farmers

I like skiing and, ________, I know it is very dangerous.

I can’t thank you ________ much becausewithout your help I ________ have won the first prize