21．________the students were hearing the exciting news!
A．How pleased B．What a fun
C．How happily D．What pleasure
22．The speaker raised his voice but still couldn’t make himself________.
A．hear B．to hear
C．hearing D．heard
23．—Did Henry paint the whole house himself?
—He________because he doesn’t like to climb a ladder.
A．hadn’t painted it B．had it painted
C．had painted it D．painted it
24．—How________feel to be back to school again after graduation for 20 years?
—Exciting.
A．do you B．does that
C．did you D．does it
25．Linda worked for the Minnesota Manufacturing Mining Company，________as 3M.
A．knowing B．known
C．being known D．to be known
