Many English learners find that ______ pronunciation helps them improve a lot.
A. contributing to
B. consisting of
C. taking control of
D. paying attention to
More and more women are working in this factory, ______ more than 40% of the workers.
A. putting up B. making up
C. picking up D. giving up
To tell you the truth, I have a hard time remembering all the ______ rules of English grammar.
A. interesting B. confusing
C. exciting D. surprising
—You haven’t returned my chemistry textbook yet.
—I know, but I ________ it for five days.
A. will have been looking for
B. have been looking for
C. will be looking for
D. had looked for
David left word with my secretary ________ he would call on me in the afternoon.
A. who B. that C. where D. which
Why do you turn off the light in the room? We are in total ______ now and I can’t see anything.
A. silence B. darkness C. progress D. charge