Can you __________________ other ways to solve this problem?

Will you take D5581 or G7619 to Hangzhou? — G7619. I will have to more money, but it will much less time.

You’d better not always look up the new words __________ the dictionary while reading. Sometimes we need to guess. [ ]

_______ does Tom like math? —Because _____ fun.

I think trees ____________ twice a week in such hot weather.—Yes, I agree. Or they may die without water.