I ate _________ sandwich while I was waiting for _________ 20:08 train.
. ----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.
. ―Did you hear the news this morning? ―Oh, yes, ________ was announced on the radio has caused great excitement among pupils.