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【題目】Su Hai always _____ home with her sister. ( )

【題目】Billy _____ the banana skin and falls. ( )

【題目】There are some pens on the ground. Please pick _____ for me. ( )

【題目】Wang Bing likes _____ apples and bananas. ( )

【題目】There _____ many shops and cinemas near the park. ( )

【題目】---What _____ our city dirty? ( )

【題目】My sister often help me _____ homework. ( )

【題目】We can move some factories _____ our city. ( )

【題目】They went there _____ bus yesterday. ( )

【題目】Rubbish _____ the streets dirty. ( )