Why didn’t you pick up the sunglasses?—I _____ it, but I didn’t carry that much money

completing and signing it, please return theform to us in the envelope ________.

We knew little about Shu-How Lin, a basketball playerfrom New York Knicks, _______ we watched the basketball matches in NBA.

The opening ceremony of the 29th Beijing Olympic Games was _____ that everybody was greatlyimpressed_____ it. [ ]

_______ we are doing now has never been done before.