______ they grow, they make sure ______ is left in the ground after harvesting becomes a natural fertilizer for the next year’s crop.
A. What; that B. Whatever; which
C. Whatever; what D. Whichever; what
A total of 120 million Chinese people traveled overseas in 2015, making it the third year ______ that China topped the list of international outbound(出境的) travelers, according to statistics of China National Tourism Administration.
A. in a second B. in a group
C. in a row D. in a sense
No sooner ______Tu Youyou stepped on the stage ______ the audience broke into thunderous applause.
A. had; than B. has; than
C. had; when D. has; when
On Oct 29th, 2015, China further relaxed its more than three-decade-old family planning policy to allow all couples to have a second child and the new law ______ officially on Jan 1st, 2016.
A. took effect B. took on
C. took out D. took place
The committee is discussing the problem right now. It will ______ have been solved by the end of next week.
A. gradually B. eagerly
C. immediately D. hopefully
—Excuse me, but I want to use your computer to search for some information.
—You ______ have my computer if you don’t take care of it.
A. needn’t B. shan’t
C. shouldn’t D. mightn’t
