The items exhibited are well worth___________, and attracted large crowds of visitors in the past few days.
A. seeing
B. to be seen
C. seen
D. to see
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--Is Henry sick?Yes. ___________ all night in the rain caused him to catch a bad cold.
A. He worked
B. To have worked
C. Him working
D. His working
___________ theories approximate the truth is the day-to-day business of science.
A. Determining how closely
B. How closely to determine
C. How one determines close
D. One is close to determining
The guard walked through the train ___________everyone's ticket.
A. inspecting
B. inspected
C. being inspected
D. to be inspected
___________nothing to talk about, the head said good-bye and went out of the room.
A. There was
Being
C. As there being
D. There being