Instead of________, Hawing went on with his research, got his PhD and married the girl.
The doctor suggested she ____in bed, while her smiling face suggested there ____nothing serious.
_____impressed the audience most was ____ the magician Liu Qian played in this year's Spring Gala.
Pointing to the house on ______ roof grew lots of bush, the old man told me that was ______ I would stay.
Choosing the right dictionary depends on ______ you want to use it for.
I don’t think the experiment is ______ failure. At least we have gained ______ experience for future success.