After a talk with his mother, the little boy has seen to _____ that the same mistake doesn’t happen again.
A.one B.it C.him D.himself
To his disappointment, not a single gift _____ on his birthday.
A.he received B.had he received
C.did he receive D.received he
Most Australians actually don’t seem to do much sport._____, Australia is generally considered to be a great sporting nation.
A.Though B.Still C.Otherwise D.Thus
Professor Smith will come here to give a speech.All the preparations must be _____ before 5 o’clock.
A.in time B.in sight C.in place D.in control
---Is everything settled?
---Not yet._____ I approached the problem, I couldn’t find a solution.
A.Whatever B.However C.Whenever D.Wherever
The retired professor, _____ in his new book in the past three years, hasn’t realized the decline in his health.
A.involved B.being involved
C.having involved D.to be involved