It is ________ the customers’ needs that has made chain stores so popular in big cities in China.

Remember not to telephone me after 7：30 pm, for I ____ the students in the classroom then.

His mother looked very tired，for she _____ the house herself all day.

. One of the skaters talented enough to stop her is Asada, who _____ against her since they were junior skaters. 

We’d better take umbrellas—I’m sure it _____ when we arrive in London; it’s always wet there at this time of year.