—Is your brother in?—No.________ he comes back, I’ll tell you.
Our English teacher is so _________ with us that we all like her very much.
---How do you study for a test? ---________.
---Why don’t you listen to tapes to improve your listening skills? ---It’s _______ difficult for me ______ follow.
---I’m going to take my driving test this weekend. ---________.
You will fall behind others ____________ you work hard.