( ) The students couldn't help ______ when they heard the joke.
A. to laughB. laughC. laughing
相关试题
( )— What are you going to do?
—________
| A．We’re going to seeing a Beijing Opera. |
| B．We’re seeing a Beijing Opera. |
| C．We saw a Beijing Opera. |
| D．We’re going to see a Beijing Opera. |
( ) He wants ________ the History Museum.
| A．to visit | B．Visits |
| C．to visits | D．Visited |
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