I have no idea ______ has happened to him.
举一反三
- I have no idea______ has happened to him. A: what B: that C: when D: why
- I have no idea ________ or not he has finished the work.
- I have no idea what he has said.
- Tom is late. What________to him? A: should have happened B: can have happened
- I( )panicking at the idea of graduating。 A: have B: am C: has D: have been