_________, I always feel I want a few more days.
A. However long is a vacation B. However long a vacation is
C. However is a vacation long D. However a vacation is long
--- Bake is intelligent and experienced.
--- That is ________ his advantages lie in applying the post.
A. what B. how C. where D. why
During _________ 3-day conference, global warming became _________ major concern of all the representatives.
A. the; a B. a; the C. the; \ D. a; \
Not until _______ home _______ her appointment with the doctor.
A. she arrived; did she remember B. did she arrive; that she remember
C. she arrived; when she remembered D. did she arrive; had she remembered
By nine o’clock, all the Olympic torch bearers had reached the top of Mount Qomolangma, _________ appeared a rare rainbow soon.
A. of which B. on which C. from which D. above which
Do you know since when it is ________ you have been interested in poetry?
A. when B. until C. how D. that
