A landmark(里程碑) in the history of science was made by a photo _______ was taken on April 10th about the black hole in a faraway galaxy(星系).( )
who
which
what
when
What worries him is that ______ little money he makes can't support _______family as large as his.( )
/; the
a; the
/;a
the; a
Some school teachers complain that many kids haven't got any hobbies﹣________we call playing computer games a hobby( )
unless
once
since
if
What did he say in his letter?Is everything OK with his father?
No idea.He didn't ________his parents in the letter.( )
admire
notice
mention
miss
If you need further ________about our products,please surf the Internet.( )
information
experience
practice
expression
Can I speak to Mrs Thomson?
Hold on please,She ________ dishes in the kitchen.( )
washes
has washed
washed
is washing