—Oh, it’s too difficult for me ____________ the task in such a short time.—Cheer up! I am sure you can.
---_____________have you been like this? ---For two days.
She has learned English ______ nine years.
He _______every morning since five years ago.
---Have you _____been to Beijing? ---No, but I want to go there next year.
It’s so hot now, ______the man is still wearing that warm coat.