Almost every child enjoys ______ TV.

There are millions of stars in ___________universe.

The plane won’t take off ______ the thick clouds move away. –Let’s wait patiently for the announcement from the airport.

The constitution, unlike other forms of laws, is fundamental ______ our social system working properly[ ]

It’s a long time ______ I saw you last.—–Yes, and what a pity it is now that it will be a long time _____ we see each other again