1 . _______(go) are the days of searching shop after shop for the perfect pair of boots ——you can compare styles and prices quickly and easily in the comfort of your living room. (所给词的适当形式填空)

2 . He has been looking forward to ________ (go) to England for a long time. (所给词的适当形式填空)

3 . Linda,________to the concert, enjoyed it very much.

A．with who I went	B．I went with
C．with whom I went	D．with which I went

4 . —Hurry up! Alice and Sue are waiting for you at the school gate.
—Oh! I thought they ________ without me.

A．went	B．are going
C．have gone	D．had gone