Uber (优步) is the easiest way to connect you with a driver_________ the tap of a button. In terms of price and convenience, it is second _________ none.
.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.
.It was with great courage ______ the boy told the truth _______ he had stolen the money.