Do you have any idea ______ on earth has happened to our friend?
| A．that | B．what | C．as | D．which |
--How about the book you are reading?
--Good indeed. It ______many problems we have come across in our study.
| A．contains | B．covers | C．refers | D．concentrates |
I enjoy noodles ______ by my mother, which taste very delicious.
| A．cooked | B．cooking | C．being cooked | D．to be cooked |
For a simple question, ______ is not necessary to ask for her help.
| A．he | B．that | C．it | D．which |
The little boy has ______ many bad habits after going to school.
| A．broke away | B．got away from |
| C．kept away from | D．stayed away from |
Yesterday I ____my e-mail box from 163.com and found a strange e-mail.
| A．logged on | B．logged off | C．got on | D．got off |