In order to improve your spoken English, you ________ be afraid of losing face. 

You'd better take a heavy coat. Sometimes it ______ be very cold.

(2013·高考北京卷)—You needn’ t take an umbrella.It isn’t going to rain.—Well，I don’t know.It________do.

English is a language that many people around the world _______not speak perfectly but _________at least understand．

It is nearly seven o’clock. Jack 　　　 be here at any moment.