—Lisa, what do you think of the job of being a nurse?—In my opinion, it ____ be difficult sometimes though it seems easy.
I never doubt ______.
China ______ the WTO for more than 10 years, and it has brought great changes to it.
He was a stranger in this town, so the local people didn’t know _______.
There is ______ traffic on the road ______ we all worry about being late for work.
I _____ be late for school, but now I ______ getting up early every day.