This is the new plan all the scientists want to see ________.
A. carried out C. carrying out C. to carry out D. carry out
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 |
The Dragon Boat Festival _____ the beginning of the hottest season of the year.
| A．falls | B．makes | C．marks | D．comes |