― Has Jackson finished his work today? ― I have no idea, but he ______ it when I saw him this morning.
Taiwan is ____ the east of Fujian.
Henry,____ Mary and Tom, is coming to China for a visit. Which is wrong?
____ the students likes the paintings. Which is wrong?
Something must be done to prevent our city ____ by thick smoke.
To tell you the truth, I have nothing to do ____ it.