---Excuse me, how can I find useful information on the Internet?
--- ________ the information you need, type in the keywords and then lots of websites will appear.
| A．Find | B．To find | C．Finding | D．Found |
Those boys didn’t start the work ________ their teacher came back.
| A．until | B．while |
| C．as soon as | D．if |
He fell off the bike ________.
| A．while he rode | B．while he was riding |
| C．while he is riding | D．while on bike |
The students were all tired but ________ of them stopped ________.
| A．no， to rest | B．none， to rest |
| C．no， resting | D．none， resting |
—Can I see the headmaster at the moment， please ?
—I'm afraid not. He ________ out. He ________ in 10 minutes.
| A．goes; comes |
| B．gone; came |
| C．will go; will come |
| D．has gone; will come back |
Italy is famous for ________.
| A．the Eiffel Tower | B．the Pyramids |
| C．the Leaning Tower of Pisa | D．The Thames River |