Traveling by plane is the most comfortable , but it is also the _________ .
【2013浙江杭州】--Pauline has lost her phone.–No. It’s in her bag. I _________ hear it.
【2013山东临沂】—May I play computer games now, Mom? —No. You finishyour homework first.
【2013山东烟台】—Whose book is this? —It our geography teacher’s. You see,hisname is on it.
【2013湖北孝感】—Look at the young lady in red. Is it Mrs. King?—No. It _____ be her. She is wearing a white dress today.
【2013湖北宜昌】—Difficulties always go with me! —Cheer up! If God closes a door in front of you, there ______ be a window opened for you. A. would B. must D. could D. can