We must soon ______a new teacher to the class.
A. adapt B. appoint C. exchange D. abuse
The tourists, had enjoyed themselves so much in the botanic garden, were worn out
A. all of what B. all of which C. all of them D. all of whom
We can hardly believe such a young boy ______ travel around the world all by himself.
A. may B. need C. should D. must
My friend Jack was the first person I knew ______an iPhone 5S.
A. using B. to use C. used D. having used
They hope to turn our society into one ______ those in need can get help.
A. where B. which C. when D. who
My opinion is ________the same as yours.
A. and so on B. on the other hand C. at risk D. on the whole
