实验表明:磁体能吸引一元硬币,对这种现象解释正确的是( )
Without umbrellas, the tourists didn't leave the hotel the heavy rain stopped.( )
if
because
until
whenever
Alex often plays soccer with his classmates on the playground.( )
a
an
the
/
There a book sale in our school library once a year.( )
is
was
are
were
Sandy, do you know______?
Yes, Some news about black holes.( )
what Tom is searching for
what is Tom searching for
who Tom is searching for
Families usually______new pictures of flowers or fish before Spring Festival.( )
give up
put up
set up