You needn’t write on __________ line. You can write on __________ line.

On stepping into his room he was astonished to find the floor covered with looked like tiny insects .

He left home in 1980 and has never comeback ____.

How soon will Harry be back —–He said he would come back _____ twodays.

Line 3 of the Nanjing Metro will be in use in 2014.—Wow, !