I was lying in bed last night when I felt the house______. Then everything became silent.
| A．shaking | B．shakes | C．shook | D．to shake |
When I came into the teacher’s office, he ________ on the phone.
| A．was speaking | B．spoke | C．had been speaking | D．had spoken |
Tony decided to study abroad _______ he knew he would meet many difficulties.
| A．as if | B．because | C．unless | D．even if |
--- We want to sit at the table near the window.
--- I am sorry, but it _______ already.
| A．took | B．takes | C．has been taken | D．is taking |
In some parts of the world, tea _______ with milk and sugar.
| A．is serving | B．is served | C．serves | D．served |
______ the morning of the wedding ceremony, the bride and groom have to serve tea to their parents.
| A．In | B．At | C．To | D．On |