15. As Polly was riding on the train, she sensed that she was _____ by a tall man in a dark coat.
| A．being stared | B．being watched | C．being attached | D．glanced |
It surprised us all ______ Kate made such big progress in this final exam.
| A．when | B．that | C．how | D．whether |
_______ ninety-nine percent of the panda’s diet is bamboo, it also eats corn, apples and sweet potatoes.
| A．If | B．While | C．Because | D．Since |
The manager demanded that the workers extra hours to complete the task ahead of time.
| A．worked | B．would work | C．work | D．had worked |
to agriculture , the new technology will increase grain production.
| A．Applied | B．Having applied | C．To apply | D．Applying |
Happiness is a feeling and neither high position nor a large amount of money can ______ it.
| A．absorb | B．arrest | C．guarantee | D．believe |