1. Greenland is _______ huge island that is mostly covered with_______ thick ice sheet.
A. the; / B. a; the C. a; a D. the; a
2. A truly rich man is a person _______ children run into his arms when his hands are empty.
A. whose B. that C. whom D. who
3. Don’t touch your eyes, nose and mouth, because they aren’t covered by skin and can _______ the virus more easily.
A. take up B. pick up C. make up D. set up
