Leonardo da Vinci(1452-1519)________ birds kept in cages in order to have the pleasure of setting them free．

is said to be buying

is said to have bought

had said to buy

has said to have bought

The open-air celebration has been put off ________ the bad weather．

in case of

in spite of

instead of

because of

John studied hard before the exam, and it ________．He got 4A．

paid back

was paid back

paid off

was paid off

Though he ________ his hands several times, he still couldn’t ________ the picture．

reached out; reach

reached out; reach out

reached; reach

reached; reach out

I want to set out late in order to avoid the rush hour ________．

if so

if possible

if ever

if not

You have to wear special ________, a helmet and a life jacket, ________ your raft gets turned upside down or sinks．

cloth; in case

clothing; in case

clothes; in that case

cloths; in that case

I can think of many cases ________ the students obviously knew a lot of English words and expressions but couldn’t write a good essay．

why

which

as

where

The dress looks ________ on you, ________ it?

perfect：isn’t

perfect：doesn’t

perfectly：isn’t

perfectly：doesn’t

It had been raining the whole night, but it was ________ fine when we got up in the morning．

suddenly

immediately

totally

surprisingly

The hospital has a new system to help ________ the best service ________ the patients．

provide; /

provide; to

supply; /

provide; for