VI. GIVE THE CORRECT FORM OF THE VERB:
1. Did your children enjoy ……swimming…………………… in the sea? (swim)
2. Flowers should ……be kept…………………… in warm places. (keep)
3. A large number of people …………were killed……………… in 1995 when a huge earthquake struck the city of Kobe in Japan. (kill)
4. My father ……has worked…………………… in this factory since 1990. (work)
5. They made their living by ……catching………… fish in the ocean everyday. (catch)