___How time flies!It's already twelve o'clock.
___ Oh,really? I ______ it at all.
A．don't realize B．didn't realize
C．haven't realized D．hadn't realized
-- _______ the soldiers are very tried, __ they keep on working.
--They are great. We must learn from them.
A．Because; / B．Though; /
C．Because; so D．Though; but
too much candy is bad your teeth .
A. Eat ; to B. Eating ; to C. Eating ; for
There ____more cars now in our country.
A．have B．are C．is D．has
– You seem to know much about the city.
– That’s true. I _______ it four times in the last three years.
A．visited B．am visiting C．have visited D．will visit
——Let’s go hiking. Look，what a beautiful day!
——
A．Good job B．Good idea
C．That’s all right D．It doesn’t matter
