It was not until she had arrived home ________ her appointment with the doctor．

did she remember

that she remembered

when she remembered

had she remembered

The palace caught fire three times in the last century, and little of the original building ________ now．

remains

is remained

is remaining

has been remained

________ twice, the postman refused to deliver our letters unless we chained our dogs．

Being bitten

Bitten

Having bitten

To be bitten

So far we have done a lot to build a low-carbon economy, but it is ________ ideal．We have to work still harder．

next to

far from

out of

due to

Tim is in good shape physically ________ he doesn't get much exercise．

if

even if

unless

as long as

Jim went to answer the phone．________, Harry started to prepare lunch．

However

Nevertheless

Besides

Meanwhile

He recognized Alison ________ she walked onto the stage．

while

the moment when

in case

immediately

We travelled together as far as Chicago, ________ we parted．

when

which

why

where

Great changes ________ in the city, and a lot of factories ________．

have been taken place; have been set up

have taken place; have been set up

have taken place; have set up

were taken place; were set up

According to the record reports, one of the rare animals, ________ crocodile, is in ________ danger of dying out．

a; the

/;as

/; the

the ;/