K. It’s better to
do sth.
L. It’s a good idea to do sth.
M. Isn’t it a good
idea to do sth?.
N.Don’t you think it’s a good idea to do sth?
O. Could /Can
/Would /Will you please do sth? P.
prefer sb to do sth/ would like sb to do sth.
115. How about the
two of us ____a walk down the street? A.to take B.take C.taking D.to be taking