Dr. Frank failed many times but he finally _________ to find a successful way to solve the problem.
The officer ordered the policeman to __________ that tall man in a black hat. He thought the man might be the murderer wanted.
— Shall we go to the cinema this evening? —Sorry I can’t. I’m __________ my mum at the airport at 7:00.
—Have a nice weekend! —________.
If the island a tourist attraction, last week’s earthquake would have caused far more deaths.
Whenever I met her,was fairly often, she greeted me with a sweet smile.