—Who______LilyandTim______? —Theirmother
问题:
—Who ______ Lily and Tim ______ ?
—Their mother. [ ]
A. is; waiting
B. are; waiting
C. is; waiting for
D. are; waiting for
—Who ______ Lily and Tim ______ ?
—Their mother. [ ]
A. is; waiting
B. are; waiting
C. is; waiting for
D. are; waiting for