I use a clock to wake me up because at six o'clock each morning the train comes by my house.
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.
We always ______ other people for doing great things; however, we ignore that we can succeed by ourselves.