______ summer nights, we often go to sleep ______ the window open.
| A．At; with |
| B．On; with |
| C．In; for |
| D．At; on |
一Have you mended your bike，Bob?
一Yes，I______it twenty minutes ago.
| A．have mended | B．mend | C．had mended | D．mended |
With the help of the Internet，news can_______every corner of the world.
| A．arrive | B．reach | C．go | D．get |
一Do you. know_______lady in red?
一Yes. She is a teacher of a university.
| A．the | B．a | C．an | D．不填 |
It is______ nice of you to say so.
| A．truly | B．true | C．really | D．real |
Do you know the name of the boy _______ father is a doctor?
| A．who | B．which | C．that | D．whose |