你想把妈妈介绍给你的朋友，你可以说：A．This is my mum.B．She is my mum.
I put my clot hes.I feel cold. A.offB.toC.on
These shorts are small. A.toB.tooC.two
.I like far. A.jumpB.jumpsC.to jumping
I am playing football the school A.onB.inC.at
Whose shoes these? A.amB.isC. are
my clot hes.I feel cold.
small.
far.
the school
these?
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