All 5 children of the Blacks, _______ are now working abroad, will come back for their parents’ 50th wedding anniversary.
A. two of whom B. two of them C. both of whom D. both of them
We live in a society _______ there is a great deal of debate about competition.
A. which B. where C. when D. that
With his mother_______ him, he is getting on well with his work.
A. helping B. to help C. help D. helped
In the past half-century, average incomes _______ quickly in developed countries, yet happiness levels have remained almost the same.
A. have risen B. had risen C. rose D. rise
Guangzhou was the second Chinese city_______ the right _______the Asian Games.
A. obtaining; to host B. to obtain; hosted
C. to obtain; to host D. obtaining; hosting
Joe, along with her three sisters, _______great interest in writing these days.
A. was showing B. were showing C. is showing D. are showing