单项选择 较易0.85 引用5 组卷438
—Mario, your mobile phone is ringing.
—Wait a minute. It's dangerous for us ______ it while crossing the street.
—Wait a minute. It's dangerous for us ______ it while crossing the street.
| A．answering | B．to answer | C．answer | D．answered |
2021九年级下·全国·专题练习
类题推荐
—Mario, your mobile phone is ringing.
—Wait a minute. It's dangerous for us ______ it while crossing the street.
—Wait a minute. It's dangerous for us ______ it while crossing the street.
| A．answering | B．to answer | C．answer | D．answered |
It’s important ____the piano well.
| A．of him to play | B．for him to play | C．of him playing | D．for him playing |
They all know that it isn’t difficult ________ cats.
| A．take care | B．take care of | C．to look after | D．look after |
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