Who is the woman in black?— ________ is our physics teacher.

Dad, when shall we go to visit my grandpa?—Grandpa is very busy at present．We’ll go to see him whenever __________.

The weather isn’t good enough for an outing，is it?—Not at all. We can’t have ________ at this time of the year.

Hisbrotherwasborn__________May,1981. [ ]

There are many trees on ______ side of the street.