My English-Chinese dictionary has disappeared．Someone ________ have taken it．

should

must

could

would

As you worked late yesterday，you ________ have come this morning．

needn’t

mayn’t

can’t

mustn’t

Black holes ________ not be seen directly，so determining the number of them is a tough task．

can

will write

must

need

He said he ________ me a present unless I ________ in doing the experiment．

had not given; had not succeeded

would not give; succeeded

will not give; succeed

would not give; will succeed

Rose ________ a dress when she cut her finger．

made

is making

was making

makes

When the old man ________ to walk back to his house, the sun ________ itself behind the mountain．

started; had already hidden

had started; had already hidden

had started; was hiding

was starting; hid

John, a friend of mine, who got married only last week, spent ＄3000 more than he ________ for the wedding．

will plan

has planned

would plan

had planned

The house belongs to my aunt but she ________ here any more．

hasn’t lived

didn’t live

hadn’t lived

doesn’t live

The child ________ while watching TV．So his mother sent him to bed at once．

had fallen asleep

was falling asleep

fell asleep

falls asleep

Fires are very dangerous．Every year hundreds of lives ________ in the fires in our country．

have been died

were lost

are lost

are died