I really like this song as it is often heard ________ everywhere in China．

singing

sung

having sung

to sing

________, the disease will produce a kind of poison that will kill the patient．

If it untreated

If is untreated

If being untreated

If untreated

After the long journey, the three of them went back home, ________

hungry and tiredly

hungry and tired

hungrily and tiredly

hungrily and tired

________ around the Taimountain Park, the tourists from Hong Kong were taken to visit the Mei Langang Memorial Museum．

Showing

Having shown

Being shown

Having been show

He seemed absent-minded and ________ his careless playing, we lost the game．

resulted from

resulted in

as a result

as a result of

One of the customs officers, who was watching the arrivals very ________, saw feathers ________ from under a woman’s coat．

closely; falling

close; fall

closely; fall

close; falling

It is you, I think, rather than your wife, ________ to blame for your son’s bad behavior at school．

that is

who are

that should

who is

I would appreciate ________, to be frank, if the goods could be delivered as soon as possible．

you

that

it

myself

Not having returned home yet, ________”, his father said to the police．

his mother got worried

his mother must be worried

I think he is missing

he must have got into some trouble．

He left ________ with my secretary that he would call again in the afternoon and he did keep his ________．

words; words

word; words

word; word

the word; words