)You can give the document to _______is in the office.However, _______to require a written paper for it.
To save class time, our teacher has ________ students do half of the exercises in class and complete the other half for our homework.
Could you show me the TV set you’d like ________?
Now an increasing number of middle school students go abroad for further study at their own ________, trying hard to realize their dreams.
Darwin counted 225 flowering plants, ________ he collected and brought home 193.
When somewhat better ________ academically, he returned home to continue his research.