Wolves often work __________a team and they never kill for __________.
| A．as; funny | B．for; fun | C．as; fun | D．for; funny |
Lily’s never been to Hainan, ________ she?
| A．is | B．isn’t | C．has | D．hasn’t |
I think skiing is ____ great fun.
| A．a | B．/ | C．an | D．the |
He fell off the bike ________.
| A．while he rode | B．while he was riding |
| C．while he is riding | D．while on bike |
When did your father ____ your mother?
| A．marry | B．marry to | C．marry with | D．get married |
How long may I ________this book? For about a week.
| A．borrow | B．borrowed | C．keep | D．kept |