I am so tired that I can’t            what you are saying. 

A. energy-wasting

B. energy-lacking

C. energy-saving

D. energy-expending

A. infection

B. infectiously

C. infectious

D. infect

A. houses

B. faces

C. horses

D. places

A. Mr. Baker is very interested in our plan to whom I spoke to on the phone last night

B. Mr. Baker, who is very interested in our plan, I spoke to on the phone last night

C. Mr. Baker, to whom I spoke on the phone last night, is very interested in our plan

D. Mr. Baker, who I spoke to on the phone last night, is very interested in our plan

A. around one out of five

B. less than a third

C. about 70%

D. well over 75%

A. are not popular everywhere

B. are universal expressions across cultures

C. have different meaning in different cultures

D. do not convey the same emotions in various cultures