There is long way to go for scientists to study _____space.

______girls took part in the Super Girl Competition, but only few of them succeeded.

Some students are playing football. _______are doing their homework.

Have all the students know that our class will visit the factory this afternoon.— Yes , Every student ________ about it.

Which of the shirts do you like better?— I’ll take _______. They are very fashionable and cheap.