China understands the situation and needs of underdeveloped countries on the issue of climate change and urges developed countries to support them technology and finance.
The last decade of the 21st century ________ the rapid, steady development of China in various fields.
---He should have been warned of the danger. ---_______, but he wouldn’t listen to me.
The teacher asked the two students to discuss the question in a low voice ________ they should bother the others.
It was in the lab ___was taken charge of by our teacher____ they did the experiment.
Though ________ in San Francisco, Dave Mitchell had always preferred to record the plain facts of small-town life.