Many parents happily pay a lot of money, only ______ the tours are not rewarding enough for their children.
—Hi David! My classmate and I are going hiking this Saturday and we are wondering…—_______, Bob. I love getting close to nature, and you know that.
—So hard _______ in the past few months that great progress has been made in English Writing.—I can see that, only a few spelling mistakes _______ in his composition.
I could have got good grades in the math exam, but _______ I made some careless mistakes and failed.
After the Second World War, millions of people were left homeless; so the government decided to give _______ to housing in many aspects.
______ in society that it has even influenced our language.