Mary wrote an article on _______ the team had failed to win the game.
A. why
B. what
C. who
D. that
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Elephants have their own way to tell the shape of an object and _______ it is rough or smooth.
A. /
B. whether
C. how
D. what
Danny left word with my secretary _______ he would call again in the afternoon.
A. who
B. that
C. as
D. which
Mum is coming. What present _______ for your birthday?
A. you expect she has got
B. you expect has she got
C. do you expect she has got
D. do you expect has she got
Some researchers believe that there is no doubt ________ a cure for AIDS will be found.
A. which
B. that
C. what
D. whether