For many years we have been keeping in ____by sending each other e-mails or phone calls.

______ is no doubt that the Rockets will defeat the Washington Wizards in the nextgame.

Tell the kid to ________ the fireworks(烟花、爆竹)，please.——Yes, you are right.

“Mr Zhu, you’d better_______too much meat. You’re already over weight.” said the doctor.[ ]

“Do you have any questions ________ clear to you?” the teacher asked.