It had been raining three days before we arrived, so we might as well ________ at home．

stay

to stay

have stayed

to have stayed

________ alone in a dark room, the little girl was so ________ at the ________ sound．

Left; frightening; frightening

Left; frightened; frightening

Leaving; frightened; frightening

Leaving; frightening; frightened

She is a kind-hearted woman and often has ________ mercy ________ people who are in trouble．

a; on

\; on

a; o

\; to

The mayor ordered that the food and tents ________ sent to the people in the earthquake as soon as possible．

were

be

would be

had been

More than two hundred years ago the United States ________ from the British Empire and became an independent country．

broke down

broke out

broke away

broke off

The games ________ the young men competed were difficult．

in which

which

that

in that

The young nurse was very nervous when she ________ the doctor in operating on the patient．

insisted

resisted

assisted

listed

Since mid July, many areas in Shaanxi ________ continuous heavy rain, leading to frequent natural disasters．

saw

had seen

has seen

have seen

We should keep an open mind about some strange old wives tales, ________ they do have some truth in them．

and

so

because

until

Only those who have experienced hardship ________ well aware of what happiness means．

can they be

they can be

can be

they can