These shoes look very good. I wonder _______.

Today, more Chinese people speak English and China may have the _____ number of English speakers in the world.[ ]

Sailing on a snowy day means_______ in the sea,

You should be _______ careful when you take thechemistry exam.–I agree. In this way, I will make _______ mistakes.

Nowadays in India, women with independent incomes are refusing to________to the traditional practice of arranged marriage.[ ]