A:Where ---(be) the chlidren?B:Look,they ---(be) over there .A What --- they ---they---(do) thereB:They ---(listen)to the CDs.
问题描述:
A:Where ---(be) the chlidren?B:Look,they ---(be) over there .A What --- they ---they---(do) there
B:They ---(listen)to the CDs.
答
are are
are doing
are listening