--These days I can only sleep for four or five hours at night as I’m too busy with my research work. --If you keep going on like that, you are sure to ______ sooner or later.
Stand over there, ___ you’ll be able to see the oil painting better.
Never before in China __________ so carefully concerned about the food safety.
The moment I will never forget is _____ my parents discussed my new school life with me before the new term started.
After the big earthquake in Chile, there were about 300 aftershocks in the nearby area, ______ over 200 were quite damaging.
In China, ____ car is getting to be _____ popular means of transportation.