People on the grassland ofisnow Kazakstan were the first to achieve both riding and milking horses．

Here you are at last! What kept you so long?—Sorry, I’m late. But do you know what great difficulty I have ______ your house.

y up, I think it’s going to rain — ______ The skies are dark andcloudy

Have you found your lost mobile phone—No, I haven’t. But I bought yesterday.

Why do you want to be a lawyer — If l become a lawyer, I help people.