1.I feel it my duty___you with your English.答案选A我选C
A.to help B.help C.helping D.helped
2.I heard her___to her teacher.答案选D我选A
A.to say hello B.saying hello C.to tell hello D.say hello
3.We went on a___safari(旅行,狩猎远征）____that day.答案选B我选C
A.two-days,by jeep B.two-day,in a jeep C.two-day,by a jeep
D.two days,in a jeep
4.They are ___.答案选C我选B
A.teeth-brush B.teeth brushes C.tooth-brushes D.teeth brush