Only ______ a human being.
Mr. Black _____ for Shanghai in a few days. Do you know when the earliest plane _____ on Sunday.
Linda went to a party with a girl , _____ favorite hobby is collecting stamps.
Buses here are always crowded with passengers, so I prefer _____ there rather than take a bus.
----Have you found the mobile phone _____ you lost last week?----No, but I’ve just bought a new one.
I failed in the job interview and only then _____ the importance of learning English well.