The game is not very difficult _______ you understand the rules.

填入下面一段文字横线处的语句，最恰当的一句是 我的菜畦靠近一条芦苇丛生的荒凉小溪，_____，在菖蒲长得又高又密的地方，有几处汩汩作响的清泉。

What will you buy for your family, an iPad Mini or an iPhone 5S— I will take __________. One is for my mum, and the other is for my wife.

I don’t know your e-mail address. Could you please_______here—Sure.

He has been fired and will have to ____ over charge of his office tomorrow.