He is one of the students who, I am sure, always do ____ best.
A．his B．one’s C．my D．their
We each _____ strong points and each of us on the other hand _____weak points.
A．have, have B．has, have
C．has, has D．have, has
My mother _____classical music while I am ____rock music.
A．is fond of, in B．likes, like
C．is interested in; into D．interests; enjoy
We offered him our congratulation ____his passing the entrance exam.
A．on B．for C．with D．at
Hospital doctors don’t go out very often as their work ____all their time.
A．takes away B．takes in
C．takes over D．takes up
We designed the machine _____the purpose _______production.
A．for, of increasing B．with, of increasing
C．for, to increase D．A or B
