If he _____ more, he would get better grades. (study)

If it ..... , we will stay at home. (rain)

This bag is made from ....... materials, so it's safe for the environment. A. endangered B. dangerous C. responsible D. eco-friendly

Visiting the museum was an ______ experience. (EDUCATE)

If I had a car, I _____ to school. (drive)

______ is a type of tourism that helps protect the environment. A. Ecosystem B. Ecotourism C. Biodiversity D. Habitat

Da Lat is well-known .... its street food, especially 'banh trang nuong'. A. at B. in C. to D. for

If we _____ now, we will catch the bus. (leave)

The Eiffel Tower is a famous .... in France. A. tourist attraction B. ecotourism C. ecosystem D. natural habitat

If you study hard, you ____ the exam. (pass)

If she _____ the answer, she would tell us. (know)

Each of us has the responsibility to deal .... our environmental problems. A. by B. to C. with D. for