تعلم الإنجليزية من خلال اللعب: امتحان إلكتروني للمرحلة الابتدائية

They ............ helping the environment

I ............... walking to school

What is he ............ now ?

Scientists are ............ new forms of renewable energy

She is ............. gloves 

Now , he ............. for the bus 

What is she ............. ?

It's important to ............. plastic

............ can make water pollution

............ can be dangerous when there is too much in the air

............. are made by factories , car and lorries .

I ............ an email to my uncle soon

we 're talking ............ popultion

They ........... picking up the garbage

He ............ a football match now