【简答题】B. Fill in the blanks with the expressions given below. Change the form where necessary. be down to call in beat up wind up trial and error at all costs 1.Don ’t____ yourself___...
【单选题】John: Hurry up! We don’t have much time left. Peter: ________ We still have two hours. Jone: Come on! This is my first time ever to take a plane. I don ’t want anything to go wrong.