5. （ ）

(单选题)A: I think English is a very useful language.B: ______. (单选题)______try using this sentence pattern now that you have lear (单选题)We don’t need air conditioning, ______. (单选题)We hadn’t met for 20 years, but I recognized her ______ I sa (单选题)It’s essential that these application forms ______ back as e (单选题)The time is not far away ______ modern communications will b (单选题)Use ______ your college has to offer, such as its library. (单选题)The speech which he made ______ the project has bored me gre (单选题)The relationship between employers and employees has been st (单选题)When traveling, you are advised to take traveler’s checks, w