Silly words and expressions have often disappeared, not through any evolutionary process ____________ owing to the conscious action of a minority.
A. yet
B. or
C. but
D. and
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He expressed doubt ______ Americans were willing to give up moving from place to place to seek better opportunities.
A. whether
B. flint
C. how
D. which
Miss Brown didn’t meet Mr. Black yesterday. If she had come here, she_________him.
A. would be meeting
B. would have met
C. would have been met
D. would meet
There is no need ________the umbrella with us. The sun is shining.
A. in bringing
B. bringing
C. to bring
D. of bringing
I haven't seen him for ____________ that I've forgotten what he looks like.
A. so a long time
B. such a long time
C. so long time
D. such long time