Mary couldn’t go to the cinema with us because she had to _________ her little brother．

look for

look after

look at

look into

Please drink some milk．It’s good _________ your health．

to

for

at

with

Linda often _________ her homework in the evening, but this evening she _________ TV．

does; watches

is doing; watches

does; is watching

is doing; is watching

_________ do you go swimming? Sometimes．

How often

How long

how many

How old

The students are cleaning the room．_________ are cleaning the windows, _________ are cleaning the desks．

Some, others

Some, other

One, the other

One, others

“Let’s play computer games．” “That _________ interesting．”

looks

sounds

listens

reads

I have a tennis and my friend Jim _________ two tennis rackets．

have

play

plays

has

Tennis _________ my favorite sport．

are

is

am

be

The _________ are ＄21．

glasses

shoe

table

bike

Listen! The birds _________ in the tree．

are singing

is singing

sings

sing