问题
A ruler is 2 dollars and a pen is 3 dollars. How much are they? —They are ________.
A:$2
B:$3
C:$4
D:$5
B:$3
C:$4
D:$5
正确答案是：
同类题型
Can you see the boys football on the playground? They are my classmates.
Toby help the teacher hand__________the exercise booksto everyone in the class.[ ]
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Mr. Smith, would you please speak a little more ________?—Sorry! I thought you could follow me.