It’s cloudy outside. Please take an umbrella.— ________.

To those_____ in martial art, the period from 1972 to 1975 is often said_____the Bruce Lee era.[ ]

I play pingpong than you but you run faster than I.

Many gases inthe atmosphere actually heatenergy that escapes from the Earth’s surface back to the earth

Mr Wu, could you tell me ________— You’d better do more speaking.