[ Transitional Phrases and Conjunctions ]
Some birds migrate in winter; ________, the robin stays in the same region.
A. for instance
B. although
C. while
D. on the other hand

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Grammar › ViewTwenty-seven dollars _______ not too expensive for ________ trousers.
A. are /these pairs of
B. is / these
C. are / this pair of
D. is /this
E. are / these
Idioms › View
He runs ___ every pretty girl he sees at school.
a. on
b. after
c. in