---Answer the doorbell, please. It must be your uncle.
---It __Heidi. She’s coming over this morning to help me with my math.
| A．is | B．can’t be | C．could be | D．will be |
Sometimes the best and most beautiful things in this world ________．but can be felt with the heart．
| A．can see | B．cannot see | C．can be seen | D．cannot be seen |
—Please tell me ________ for the meeting yesterday．
—Sorry．The traffic was bad．
| A．why you came late | B．why did you come late |
| C．when you came late | D．when did you come late |
．We should give a hand to the people ________ need help．
| A．who | B．whose | C．whom | D．when |
．—I’ll return the book to Mary，but I can’t find her anywhere．
—She ________ the teacher’s office．You can find her there．
| A．has left | B．was away from | C．has gone to | D．has been to |
—Where is the manager from?
—I don’t know，but from his ________ I think he is from the south．
| A．voice | B．sound | C．pronunciation | D．accent |