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.

21st Century is ______ a newspaper． It helps us to improve our English a lot．

Mary often does some translation work to earn extra money, which _______ half of her income.

ather have some wine, if you don’t mind．-__．Don’t forget that you’11drive．

The ladies carrying babies, come in first, ?[ ]