With a population of over seven million, London is ________ the largest cities of the world.
| A．between | B．among | C．from | D．of |
She has beenover his strange letter for several weeks, but she still figures out nothing about it.
| A．puzzling | B．worried |
| C．troubled | D．anxious |
that the country leaders can lead them out of the financial problems, people are becoming more optimistic about the future of the country.
| A．Convincing | B．Having convinced |
| C．To convince | D．Convinced |
—You’re late again. Wefor you since 8: 00 a. m. .
—Sorry. An unexpected visitor came to see me.
| A．are waiting | B．wait |
| C．waited | D．have been waiting |
Whenwhy he was late again, he made up an excuse, saying that he hadn’t caught the regular bus.
| A．asking | B．to be asked |
| C．ask | D．asked |
there was no hard evidence, most people thought he had broken the window of the classroom.
| A．While | B．Because |
| C．Unless | D．When |