The most important thing about cotton in history is ________ part that it played in ________ Industrial Revolution．

不填；不填

the; 不填

the; the

a; the

Eating too much fat and sugar can ________ heart disease and high blood pressure．

result from

attend to

devoted to

contribute to

Not until many years later ________ that many of his neighbors helped him when he suffered the loss of his parents at an early age．

he was informed

he informed

was he informed

did he informed

－Though it is 30 years ________ we last met, I still remember the scene ________ we got separated on a rainy day．

before; where

before; which

since; when

since; where

After playing in the park for a few hours, the pupils gathered under trees ________ shade and ________ down to eat their picnic lunch．

provided, sit

providing; sitting

providing; sat

provided; sat

Mary, I should tell you it is the third time that you ________ your homework．

forgot to do

forgot doing

have forgotten to do

had forgotten doing

I was ________ with my son about his carelessness, which ________ the main cause of his failure in maths．

annoyed; were

amazed; was

amazing; were

annoyed; was

At the bad news, she was so sad ________ I had to stay here keeping her ________．

that; companion

than; companies

that; company

and; accompany

After watching the movie Avadar, Mary lay in bed with her eyes ________ open while all her family were ________ asleep．

widely; soundly

wider; soundly

widely; sound

wide; sound

－Jim, are you ________ this Saturday?

－Oh, sorry．I need to go to the bookshop ________ the bank on Saturday．

convenient; and

convenient; as well as

available; with

available; as well as