there was no hard evidence, most people thought he had broken the window of the classroom.
| A．While | B．Because |
| C．Unless | D．When |
Almost every gym club in Shanghai ________ yoga classes. And there are more than 100 special clubs such as this one.
| A．has set up | B．is setting up |
| C．set up | D．will set up |
The agreements, _______ from culture and education to special training programs, will play a key role in the China-Latin America partnership.
| A．ranged | B．having ranged |
| C．ranging | D．to range |
--- Why didn’t you ring me up when Sue arrived?
---sorry, I ______ my essay that was to be handed in by noon.
| A．had written | B．wrote |
| C．have been writing | D．was writing |
It’s only after marriage and having children ________ a person understands others’ feelings.
| A．what | B．when | C．that | D．who |
Although Beijing didn’t establish its first Antarctic research base until 1985, Chinese efforts _________ its influence across the continent are now outpacing other nation’s plans.
| A．expanding | B．to be expanded |
| C．expanded | D．to expand |