It ___ be the postman at the door. It’s only six o’clock.
| A．mustn’t | B．can’t | C．won’t | D．needn’t |
Grade Three students have a ______ to work harder than those in Grade Two.
| A．courage | B．wisdom | C．devotion | D．tendency |
Most of us know we should cut down on fat, but knowing such things isn’t much help when it ________ shopping and eating.
| A．speaks of | B．refers to | C．comes to | D．focuses on |
When you arrive home, give me a call to let me know you _____safely.
| A．are arriving | B．have arrived |
| C．had arrived | D．will arrive |
Mrs.White showed her students some pictures _____ in Paris.
| A．to take | B．to be taken | C．taken | D．taking |
All his friends’ encouragement _____ his confidence in winning the game.
| A．added up to | B．added up | C．added to | D．added |