Choose and write down the correct item.
1.Tom ..... .... the shoping before he cooked dinner.
a) had done b) has done c) have done
2.I ... a jacket and a T -shirt at three o"clock yesterday.
a) am buying b) was buying c) shall be buying
3. My sister ..... a dress now.
a) is trying on b) was trying on c) will be trying on