A new technique ________, the gross output increased by 20 percent.

单项选择题________ the rain falling so heavily, they couldn't go on with their drill.

单项选择题She was halfway to the railway station ________ his boyfriend caught up with her.

单项选择题This time next week my boyfriend and I will be on vacation. Probably we ________ in the sunshine.

单项选择题I didn't go to the theater last night, ________ I had to finish my book report.

单项选择题Look at the terrible situation I am in! If only I ________ your advice.

单项选择题The teacher told the children there ________ four seasons in a year: spring, summer, autumn and winter.

单项选择题They usually have less money at the end of the month than ________ at the beginning.

单项选择题After a long and tiring journey, they arrived ________.

单项选择题When her neighbor Grandma Wang became ill, the girl often ________.

单项选择题—Have you finished the packaging —________ — Good. Because the truck will be coming soon, this is a rush job.