----I think it’s impossible for us to work out the plan in just two days. It’s too difficult.----You’re right. We can’t be _______ careful and hard while working on it.
----Could you tell me when _______? ----At half past ten. In a few minutes.
I have _____ to do. Please give me ______ to read.
----Have you seen Mr. Black these days, Jack? ----Yes, I met him when I ________ in the street yesterday.
If the green light doesn’t come on, you ______ go across the street.
Nowadays young people have their personal look. They want to ____ their personality in this way.