Don’t touch your eyes, nose and mouth, because they aren’t covered by skin and can ________ the virus easily.
We hope that as many as possible _______ join us for the picnic tomorrow.
—I seldom watch TV, but listen to the radio a lot.—_______.
Only _______ to borrow magazines from the reading-room.
Those who know _______ it was that wrote A Tale of Two Cities, raise your hands.
It was in the very house was built with stones _______ he spent his childhood.