单选题 There was a teapot fashioned like a china duck, out of______ open mouth the tea was supposed to come.

单选题 Tables______ of stones or wood.

单选题 I have lost my white hat. I______ it somewhere.

单选题 Although he knew little about the large amount of work done in the field, he succeeded _______ other more well-informed experimenters failed.

单选题 During her years in the White House, Jacqueline Kennedy Onassis had many admirers who thought she was tasteful, ______ and well-educated.

单选题 Outside of class, teachers plan lessons, grade papers, and _____ with students to discuss their progress.

单选题 Fast delivery is important. Now our customers can______ their orders(订货) within 2 days.

单选题 Only when we landed______ how badly the plane had been damaged.