Don't tell a lie． You are __________ honest boy．（　　）

A．aB．anC．theD．/

Tom's iPad is much newer than___________． And it is also more expensive．（　　）

A．IB．meC．myD．mine

The Nile is one of the _________ rivers in the world．（　　）

A．longB．longer

C．longestD．most longest

In summer， food will go bad quickly ________ we put it into a fridge．（　　）

A．ifB．unlessC．as soon asD．while

﹣﹣______ fine weather it is! Let's go for a walk．

﹣﹣Sounds like a great idea．（　　）

A．WhatB．HowC．What aD．How a