What do you enjoy ________ when you are on holiday?
A．
do
B．
to do
C．
doing
D．
to doing
Millie is a good swimmer, and can swim ________ a fish．
likes
is like
like
is likes
How long does it take you ________ to work every day?
to ride
ride
rides
for riding
Simon, ________ an e-mail to Jim tomorrow．
sent
sends
will send
send
They didn't leave ________ ten last night．
when
to
until
after
We need a ________ of bread．
tin
packet
bottle
loaf
There is usually ________ air pollution in the country than in the city．
much
more
little
less
________ of them ________ in the city．
No one, are
None, is
No, is
The little boy became ________ when he got the nice present．
sad
unhappy
happy
happily
It's ________．Let's go ________．
sunny; walking
sun; walk
sunny; walk
sun; walking