No one knows how the huge rocks and ___ without our modern machines eight hundred years ago.
Shanghai is one of ___________ cities in the world. A. bigger B. biggest C. the biggest
When it snows ________, he feels very ________. A. heavy; happy B. heavily; happy C. heavily; happily
Tom is a hard-working boy. He always ________ two hours doing his homework. A. spends B. takes C. costs
I hope you can get high marks in the _________. A. quiz B. travel C. market
I usually have some ______ and ______ for breakfast. A. milk; breads B. milks; bread C. milk; bread