No one knows what effects the GM material might have ________the food chain.
Many people believe that poverty is only a problem in rural areas. __, it is also a problem in some urban areas.
When we got to the stadium hurriedly, the leaders________their speeches and the performance __________. A. have finished; began B. had just finished; had begun C. had just finished; was about to begin D just finished; began
I _______ in a foreign company for five years. Still, I don’t regret giving up the well-paid job.
-------What do you think of the music teacher? -------_____________she is an elegant lady, she can be extremely difficult to work with.
Our school looks more beautiful with many red lanterns ________ high over the square.