If you cannot have a good command of grammar as well as precise usage of each word you’ve learnt, it is ________ for you to use English flexibly

nd half hours ofdiscussion took us up to midnight, and break forcheese, chocolate and tea with sugar

He is such a lazy man _______ nobody wants to work with him.

he residents approve of the measure______ so far in our city, _____ to bring a sharp rise in oil prices.

What’s this new thing —It’s an____