He is one of those who ______________ very hard.
| A．works | B．work | C．is | D．are |
---________Tom ________ Lily is coming to visit us.
---Yeah, l am so happy they are both free tomorrow.
| A．both; and | B．neither; nor |
| C．either; or | D．not only; but also |
I still remember the college and the teachers________ I visited in London years ago.
| A．what | B．who | C．that | D．which |
Is the woman _______ singing in the hall you music teacher?
Oh, it ________ be her. She is ill at home today.
| A．who are; must | B．whom is ; can`t |
| C．who is ; can`t | D．whom are; must |
Attention, please! All the mobile phones _______ during the meeting.
| A．are turn off | B．have to turn off |
| C．should turning off | D．must be turned off |