Many animals around the world face (EXTINCT)
2 Our
day will start at
9:00 am. (CONSERVE)
3 There was a in air pollution
last year. (REDUCE)
4 An happened at the factory
after the earthquake hit. (EXPLODE)
5 Hurricanes can cause a lot of
when they occur. (DESTRUCT)
6 Thanks to programmes, the
landscape is protected. (PRESERVE)
7 Miras's that we do some
volunteering was a good one. (SUGGEST)
8 The of agricultural products is
causing an increase in pollution. (PRODUCE)​

1. This medicinal herb is good for eczema and skin blemishes.

Is this medicinal herb good for eczema and skin blemishes?

This medicinal herb is good for eczema and skin blemishes, isn't it?

Is this medicinal herb good for eczema or skin blemishes?

When is this medicine herb good?  

2. Lemon balm is versatile medicinal herb.

Is lemon balm versatile medicinal herb?

Lemon balm is versatile medicinal herb, isn't it?

Is lemon balm versatile medicinal herb or not?

Why is lemon balm versatile medicinal herb?  

1.I have been studing English since 2006

2. He has been building the house in the village for 2 years

3. They  have been reading this  book since Friday

4. She has been writing her composition for 2 hours

5. We have been walking to the town since 3 o*clock

6. I have been cooking dinner for my family for half an hour

7. They have been watching a new film for an hour

8. The kitten has been playing with a toy since this  morning

9. Ann has been speaking over the telephone for 40 minutes

10. They have been working there since 2008