The handles ______ so that children can grasp them firmly.A．can be shapedB．should be shapedC．must have been shapedD．should have been shaped选什么 为什么呀
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Thehandles______sothatchildrencangraspthemfirmly.A．canbeshapedB．shouldbeshapedC．musthavebeenshaped
The handles ______ so that children can grasp them firmly.A．can be shapedB．should be shapedC．must have been shapedD．should have been shaped选什么 为什么呀
The handles ______ so that children can grasp them firmly.
A．can be shapedB．should be shaped
C．must have been shapedD．should have been shaped
选什么 为什么呀
The handles ______ so that children can grasp them firmly.A．can be shapedB．should be shapedC．must have been shapedD．should have been shaped选什么 为什么呀
B
表示建议的只有B,其余A表能力C表猜测D表虚拟