帮我看几道英语语法题需呀正确率
There has been an outbreak of influenza.Health officials are advising people _______ from the city.
to stay away
stay away
for staying away
staying
There's no need to be worried _______ the plane.We've got three hours to get to the airport.
to miss
with missing
missing
about missing
When Sally finished _______ her 97-page report,she left the office and went for a long walk.
write
wrote
writing
to write
I'd better get a lot more practice speaking.I can understand almost everything,but people have a hard time _______ me.
to understand
understanding
understand
for understand
Martha promised _______ our contract this week,but she hasn't.
to look at
look at
looking at
for looking at