题文
He has _______ for two years.. Two years _______ a long time.
| A．left home, are | B．left home , is |
| C．been away from home , is | D．been away from home , are |
He has _______ for two years.. Two years _______ a long time.
| A．left home, are | B．left home , is |
| C．been away from home , is | D．been away from home , are |
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