The museum will open in the spring with an exhibitionand a viewing platform____ visitors can watch the big glasshouses being built

The construction of the two new railwaylines _______by now.

quite free now,I think.—__________,I have tons of things to do.

Today’s young people can’t live without smart phones. They keep their hands on the phones whenever they go, even while they _______ meals.

Have you been to the Great Wall?– Perhaps not in my memory. _______, it might have been during my early childhood.