Cathy was very happy to meet _____old friend on the plane to Paris.
| A．a | B．an | C．the | D．/ |
--What about having a drink?
--_______.
| A．Help yourself | B．Never mind | C．You’re right | D．Good idea. |
They usually go shopping____ their lunch break.
| A．against | B．among | C．between | D．during |
After Steven sent some e-mails ,he______ surfing the Internet.
| A．starts | B．has started | C．will start | D．started |
It’s hard to believe____ the way out of the forest without the help of the local guide.
| A．what they were able to find | B．what were they able to find |
| C．how they were able to find | D．how were they able to find |