In my opinion，not all inventions were invented by ________ accident.—Well，you do seem to have ________ point.Inventing needs much time and hard work.

Give me an undisturbed hour and I’ll see the work Tom ___ unfinished

It was so quiet in the classroom that a needle _____to drop onto the floor. [ ]

The constant noise around here______ me crazy!—Calm down.It’s no use complaining

My name is Zhang Mingjian. You may ______me Zhang Mingjian or Mr Zhang.