问题
选择题
Look, the leaves of the newly planted tree have withered. You _______ it this morning.
A．should water
B．should have watered
C．you needed to water
D．had to water
答案
答案：B
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Look, the leaves of the newly planted tree have withered. You _______ it this morning.
A．should water
B．should have watered
C．you needed to water
D．had to water
答案：B
