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I've worked with children before, so I know what ______ in my new job. 

A．expected       B．to expect  C．to be expecting  D．expects

I’ve worked with children before,so I know what _________ in my new job.

A.expected????????????? ????????????? ????????????? B.to expect

C.to be expecting　????????????? D.expects

I’ve worked with children before, so I know what ____ in my new job.

A. expected      B. to expect              C. to be expecting  D. expects