—Where is Lu Wenjie? 
—I have no idea．He__________ be in the library.
| A．can | B．must | C．might | D．shall |
It is bad ________ to point your fingers at others while talking.
| A．ways | B．manners | C．means | D．forms |
After searching through the mountain, they managed to _____ the missing children.
| A．point | B．place | C．spot | D．site |
Everyone, be sure to be honest! You can't get away __________ cheating in the exam.
| A．from | B．with | C．off | D．on |
You ought to _______ us with rice and dishes of vegetables, but you didn't.
| A．provide | B．have given | C．offer | D．have served |
It is time for class to start. The teacher __________ be in the classroom now.
A. can B. should C would D. shall