—Four dollars a pair？I think it’s a bit too much.
—If you buy three pairs，the price for each will________ to three fifty.
A．come down B．take down C．turn over D．go over
—Oh，it’s you！I didn’t________ you.
—We haven’t seen each other for several years.Glad to meet you again.
A．realize B．recognize C．know D．see
Don’t respond to any emails________ personal information，no matter how official they look.
A．searching B．asking C．requesting D．questioning
A competent speaker of a language must have a(n)________ of these different styles.
A．comment B．observation C．command D．response
The film，________ the true story of this Red Army general，attracted people’s interest all over the country.
A．is based on B．is on the base of
C．which is the base for D．based upon
________for a long time，but he tried his best to make up for what he missed.
A．Being ill staying in hospital
B．Having been ill staying in hospital
C．He was ill staying in hospital
D．To be ill staying in hospital
