A NASA experimental jet , the X-43A,flew at a world –record speed ---11,260 kilometres an hour on November 17.This speed is __ as that of sound.
#12996
A
astentimesfast
B
tentimessofast
C
tentimesasfast
D
tentimesfaster
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Parents________send their children to school when they reach six years old.
#11453
A
could
B
were able to
C
ought to
D
would
_____ catch the first bus, he got up very early this morning.
#13408
A
In order to
B
In order that
C
So as to
D
So that
We _____ his idea for a music club, and decided to have an art club _____.
#13440
A
accepted; instead of
B
disagreed; instead
C
rejected; instead
D
agreed; instead of
Young students are ______ not to smoke, either in or out of school.
#13286
A
suggested
B
requested
C
hoped
D
invited
Our car broke down suddenly and the heavy rain________ our helplessness.
#12000
A
added to
B
led to
C
turned out
D
made up