He had a guilty ____________ when he looked at everyone in the room.
A. manner
B. way
C. method
D. form
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Taxis are public vehicles for one person or for groups of ____________ four people.
A. up to
B. in all
C. in short
D. but for
There is no doubt the greatest advances in bionics will be electronic in nature.
A. whether
B. if
C. what
D. that
My big new house is very comfortable, but I have to pay a lot in ____________.
A. rates
B. fees
C. figures
D. proportions
It was often the case ____________ we stayed in the town for dinner.
A. which
B. what
C. that
D. because