29.What has been studied suggest that a short nap in the afternoon_______you refreshed for the next four or five hours.
Every minute of the day is filled _______ urgent matters.
If you can’t _____ a better plan, we have to carry out the present one.
I’d like to know _____ Chinese.
Rather than ______ his own car work, he preferred ______ public transport.
The terrible shaking of the building woke up all the people _______ were asleep.