21. __ number of people who___ killed or injured ___ reached more than 400,000.
A. A ; were; have B. The ; were; has C. A ; was ; has D. The ;was ; have
22. Reading in the sun for a long time will do ___ to your eyesight.
A. damage B. injury C. ruins D. sufferings
23. Later he got a ____, turned lawyer and offered people ____on legal problems.
A. goal; guidance B. mark; guide C. degree; guidance D. point; guide
