Don't be afraid to ____ help if you have any further problems.
I have called the station and they told me the next train for Da Lian _____ at 3:10.
Our college is going to choose some ______ from the graduates to serve the poor village during the summer vacation.
Yesterday I was about to leave for the market _____ my boss called and asked me to go back to the office at once.
As we can see, the work can’t be finished by only one person, so let’s ______.
The man _____ from a terrible illness, so he couldn’t earn money to support the big family any more.