_______ didn't attend the lecture yesterday won't be given full marks.
.He spoke very slowly, but he still didn’t get his meaning _______.
.----I’m going downtown. ----Come on, _______.
.This bag is twice ______ weight of that one. You’d better carry ______ lighter one of the two.
.A clean environment can help the city bid for the Olympics, which ______ will promote its economic development.
.―May I take your order now? ―_________ ―OK, I’ll come back in a few minutes.