---I wonder what makes you a successful manager.
---I ___ as a waiter for five years and it makes a lot of contributions to my today’s work.
A.serve B.have served C.was serving D.served
—When can they finish the project? — ________. Just wait.
A.Until next week B.Not until next Wednesday
C.Since several days ago D.For several days
________ of the students’ parents in our class are in their .
A.Two-fifths； forties B.Two-fifths； fortieth
C.Two-fifth； forties D.Two-fifth； fortieth
---__________, Chinese mobile phones, like Huawei, have improved greatly.
---Exactly. That’s why made-in-China products are more and more popular now.
A.In time B.In all C.In the end D.In fact
—The young man seldom did the housework after he bought the robot, ?
— . He could relax and have time for his hobbies.
A.did he; Yes B.didn’t he; No C.didn’t he; Yes D.did he; No
—Look! Mrs. Smith is standing in front of the teaching building.
—It______ her. She has gone to Egypt for her holiday.
A.must be B.mustn’t be C.can be D.can’t be
