（题文）Two _______of the population of the state _________immigrants(移民).
A. thirds, are B. third, is
C. thirds, is D. third, are
Yaoming is so tall that he can be ________in the crowd easily.
A. picked up B. picked out
C. figured out D. helped out
Have you forgotten __________$1000 from me last month? Will you please remember ________ it tomorrow?
A. borrowing; to bring B. to borrow; bring
C. borrowed; bringing D. borrowing; bringing
It was only when I read this story for a second time ________to appreciate its beauty.
A. then I began B. that I began
C. did I begin D. had I begun
The lawyer was so kind that he devoted all his spare time he had _________ the disabled.
A. to helping B. helped
C. helping D. to help
Though the series of books is a bit too dear (昂贵), it is worthwhile _____________.
A. to be bought B. buying
C. to buy D. buying it
