Can you walk through the grass _________? (    )

A．safe

B．safely

C．safety

Amy didn't take the flowers ___________. （   ）

A．away

B．over

C．to

用所给词的正确形式填空。
【小题1】They visited “The World of Robots” on the __________ (two) floor.
【小题2】Alice is good at dancing. She is a good __________ (dance).
【小题3】Peter __________ (buy) a model plane yesterday.
【小题4】He __________ (can) eat five hamburgers a day ten years ago.
【小题5】Horses can run very __________ (fast).

It’s _____ thin. ( )

A．and

B．so

判断题。
（_____）1. radio和red中的字母“r”发音相同。
（_____）2. It help us stay healthy.
（_____）3. My swimsuit is to big.
（_____）4. Sometimes we play ball games.