Dropping litter ______ never allowed in our city.

Listening attentively in class and reviewing in time _______ a sure way to improve your learning, and this is especially true _______ it comes to standard tests.

I heard Tom was badly injured in the footballmatch.—-________, let’s go and see him.

46 Our manager allowed _______to take aholiday next week

Tom studies hardMary studies even harderJack hardly studiesOf the three, who studies the hardest? —___ studies the hardest