the bus . Then I fell over .| A．at | B．to | C．on | D．for |
the bike yesterday .| A．in | B．on | C．to | D．at |
your bike ?| A．off | B．over | C．on | D．in |
did you do on the tree ?| A．How | B．When | C．What | D．Why |
a bike ride yesterday .| A．to | B．for | C．on | D．in |
and thirsty .| A．full | B．good | C．well | D．hungry |
to your head ?| A．is | B．happened | C．happen | D．happening |
| A．手 | B．头 |
| A．三十 | B．口渴 |
| A．在…….上 | B．在……下 |
| A．跑 | B．跳 |
| A．小心 | B．不小心 |
| A．to | B．for | C．on | D．in |
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