Shingles ______ by a virus which attacks the nerves.
A: is causing
B: is caused
C: are caused
D: are causing
A: is causing
B: is caused
C: are caused
D: are causing
举一反三
- Air pollution, together with overpopulation, _______many problems in big cities today. A: are causing B: is causing C: are caused D: is caused
- It rained heavily, ____ severe flooding in the area. A: caused B: causing C: to cause D: and caused
- The damage()by the flood was so large that the buildings cannot be rebuilt in a short time. A: to be caused B. causing B: caused C: was caused
- It rained heavily in the south, ______ serious flooding in many places. A: caused B: to cause C: having caused D: causing
- I rained heavily in the south, _______ serious flooding in several provinces. A: caused B: having caused C: causing D: to cause