Up to Tuesday's attack, the worst school shooting in the U. S. was in March 1998 in Jonesboro,______two boys, aged 11 and 13, shot and killed a teacher and four girls.
#72101
A
while
B
where
C
when
D
then
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 He disappeared last month, _______ we have heard nothing of him.
#69495
A
when
B
after which
C
from which
D
since when
I think I must watch TV now, Dad. I _________ which team will win the game.
#69606
A
don’t wait for know
B
can’t wait for knowing
C
don’t wait to know
D
can’t wait to know