Usually, we don't know how important something is ________ we lose it．

or

until

as soon as

Last weekend, the Greens had great fun ________ at Water World．

swimming

cooking

hiking

－Claudia, your handwriting is much ________ than before．

－Thank you．

beautiful

more beautiful

most beautiful

－How long does it take your father ________ to work every day?

－About half an hour．

drives

driving

to drive

－How's the weather tomorrow, Rose?

－I hear there is going to ________ a snow storm．

have

be

is

－Could you please ________ my goldfish while I' m away?

－It's my pleasure．

look after

look for

look at

If you work hard, you'll get ________“A”in the exam．

a

an

the

－Wow, what a nice MP4!Whose is it?

－My aunt bought it for my brother and me．It's ________．

mine

his

ours

－How many ________ can you see in the picture?

－Only one．

dog

sheep

child

Look!That house is on fire．Let's call ________ quickly．