—— Have you watered the flowers? —— No, but _____.
You didn ’ t let me drive. If we _____ in turn, you ______ so tired.
His writing is so confusing that it's difficult to make out ________ he is trying to express.
It’s extremely dangerous for the drivers to _______ speed as the traffic lights are changing.
Writing out all the invitations by hand was more time-consuming than we______.
China's reform and opening has been going on for ________ is like about 30 years now and it's really quite remarkable.