How does Jack usually go to school—— He ________ ride a bike, but now he is used to ______ there.

don’t think it is difficult for a senior student to ________ the difference between “hurt” and “injure”.

Time is money.- But I think time is _____money.

1.The computersystem ______ suddenly while he was searching for information.

______ half an hour every day forEnglish reading, you are sure to improve your reading ability.