الخطوة 1اختر الخيار الصحيح
الخطوة 2أضف التدريبات التي تعجبك إلى المفضلة
Clean is the opposite of dirty. Clear means transparent or unclouded: clear water, a clear sky.
Don't use the numeral one instead of the indefinite article a or an. Use one only where the number is emphatic: He gave me one book instead of two.
This is used to indicate something physically close to the speaker. In the case of abstract things we use this for things which are most immediately present. This is a lovely song! I'll help you do it this time. When we talk about more than one thing we use this for the closer or more immediate and that for the further away or more remote in time. If we're only talking about one thing we usually use that: What's that noise? That's a nice coat! Don't do that!
Few means not many and emphasises the smallness of the number, it is distinguished from a few, which means at least some.