When I was passing by, I saw them ________ at the nursery.
--- May I use your mobile phone? --- _________ .
I have a really bad headache, and I have to ______ a doctor about my pains.
You will find me online almost always, so there______ be any difficulty reaching me.
The president’s ideas, most of which were not known to all at first, _______ popular support later.
--- Another cup of coffee? ---No, thanks. I think I’d better _______ for the station immediately.