While typing， Helen has a habit of stopping once in a while to give her long and flowing h

A real policeman has to do all the following EXCEPT _______.A．studying lawB．typing reports

China has launched a series of activities recently to promote book reading habit among its

What type of sentence is "Jim has failed in the exam though he has been working hard. "？A．

—Our son has picked up some bad habits recently, and I am really worried about it.— .A

Surfing on the Internet has almost become a matter of（).A. traditionB. routineC. habit

If a person has a certain type of depression it i