某烃分子中碳氢质量之比为24∶5,则该烃的一氯代物中含有两个甲基的同分异构体的数目是(不考虑立体异构)( )
Gina went to the doctor's yesterday and she_________ to take medicine on time.( )
told
is told
was told
has told
The shoes_________ I bought yesterday cost me ten dollars.( )
whose
which
whom
who
______ exciting news it is!( )
What
What an
How
How an
Alice can sing some English songs,_________ she can't play the guitar.( )
and
but
or
for
Would you like _________ to drink?
No, thanks.( )
everything
anything
something
nothing