( ) 4.— What is Peter doing?— He ________ his mother ______ the housework.A.is helping; do B.

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()4.—WhatisPeterdoing?—He________hismother______thehousework.A.ishelping;doB.()4.—WhatisPeterdoing?—

( ) 4.— What is Peter doing?— He ________ his mother ______ the housework.A.is helping; do B.
( ) 4.— What is Peter doing?— He ________ his mother ______ the housework.A.is helping; do B.

( ) 4.— What is Peter doing?— He ________ his mother ______ the housework.A.is helping; do B.
很高兴为您
A 正确

is helping; with

A