Scientists all over the world are new medicine to fight COVID﹣19.
A.blowing outB.trying out
C.leaving outD.keeping out
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
Would you like to go mountain climbing with us?
I am afraid not.That's the _______ in the world I want to do.( )
very
best
last
first
Find ways to praise the beginners,_______ they will lose heart someday.( )
till
and
or
but