问题补充:
Young trees should every day.
A. water
B. watered
C. be watering
D. be watered
答案:
A. water
B. watered
C. be watering
(答案→)D. be watered
解析:本句中trees是被浇灌的对象,故用被动语态,情态动词后一般用原形动词,故选D。
时间:2019-07-01 18:25:59
Young trees should every day.
A. water
B. watered
C. be watering
D. be watered
A. water
B. watered
C. be watering
(答案→)D. be watered
解析:本句中trees是被浇灌的对象,故用被动语态,情态动词后一般用原形动词,故选D。