16. Her new boss is so bad that he does never take _______ of her extra hours of work, that’s why she needs to change her job now.
A. into investigation B. into account C. consideration D. account
17. Your doctor, ________ advice you ought to listen to, is a clever man indeed.
A. whose B. which C. who D. whom
18. Not every student is aware of _________ of the English language.
A. its importance B. the importance C. important D. an importance
19. This is the astronaut who _________ our school the day before yesterday.
A. visits B. visited C. has visited D. had visited
20. Despite the differences in cuisine of each region, there are similarities, such as the _______ for main meals – rice, ways of adding fish sauce, herbs and other flavors.
A. foundation B. necessity C. staple D. basic
monmon70023220 
Darling_274 
minhquanhhqt160 
tngnhatganh117 