Of all the pens he tried, only one is_______.
Busy as they are, parents should ______ at least two hours to spend with their children。
The bridge____ next month depends on money collected among the villagers。
Not only should you get used to _____ under difficult conditions but also you should pay more attention to _____ your work well。
The doctor recommended he _____ a few more days in hospital。
_____,there were also no lights in the houses along the street.