1. ______ important thing in life is to have a great aim, and ______ determination to
attain it.
A. An ; 不填 B. A ; the C. The ; the D. The ; 不填
2. I have no one ____ me, for I can deal with it all by myself.
A. to help B. to have helped C. help D. helped
3. We are in a difficult position in____ we have nobody properly qualified for this work.
A. that B. when C. what D. where
4. ----I’ve finished cleaning all the furniture in the room.
----I don’t think so. What about ____ on the balcony?
A. the one B. it C. that D. those
5. The machine has been made easier for it____.
A. to operate B. operated
C. being operated D. to be operated