my pet is a parrot. He ( ) very well! 填空A. sing B.sings C.singing
问题描述:
my pet is a parrot. He ( ) very well! 填空A. sing B.sings C.singing
答
B,He是第三人称单数,所以用三单B
my pet is a parrot. He ( ) very well! 填空A. sing B.sings C.singing
B,He是第三人称单数,所以用三单B