The boy was seen on the sports ground.
| A．to play | B．play | C．played | D．to playing |
-------How much is the ticket to Central Park?
--------A one-way ticket_______＄40,and you can _____another ＄20 for a round-trip.
| A．costs;pay | B．cost;spend |
| C．pay; spend | D．spends;pay |
-----Do you think Peter would be a good monitor?
-------______________.
| A．No,I don’t think so | B．How can we |
| C．Yes ,I think | D．No, I can’t |
-----Pay attention to details when solving difficult problems.
------______________.
| A．No,there are no difficult problems. |
| B．Thank you, I will. |
| C．You worry too much |
| D．Don’t mention it. |
We just need one of you for the game,_____you____your brother can join us.
| A．Both; and | B．neither; nor |
| C．either;or | D．Not only;but also |
We’re not sure if it____ tomorrow.If it_____,we won’t go hiking.
| A．will rain; rains | B．will rain; will rain |
| C．rains; rains | D．rains; will rain |