(8分)My doorbell rings. On the step, I find an elderly Chinese lady. She is small and thin, holding ...

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carry out carry on carry off carry away

the doorbell rang the doorbell rings we heard the doorbell ring we heard the doorbell rings

the doorbell rang the doorbell rings we heard the doorbell ring we heard the doorbell rings

the doorbell rang the doorbell rings we heard the doorbell ring we heard the doorbell rings

while as then when

is can’t be could be will be

hand in; rings hand in; will ring be handed in; will ring be handed in: rings

the doorbell rang the doorbell was rung we heard the doorbell ring we heard the doorbell rings

the doorbell rang the doorbell was rung we heard the doorbell ring we heard the doorbell rings

the doorbell rang the doorbell rings we heard the doorbell ring we heard the doorbell rings

the doorbell rang the doorbell rings we heard the doorbell ring the doorbell ring was heard

the doorbell rang the doorbell rings we heard the doorbell ring we heard the doorbell rings

the doorbell rang we heard the doorbell ring there was someone knocking at the door we heard the doorbell rung

the doorbell rang the doorbell rings we heard the doorbell ring we heard the door bell rings

is can’t be could be will be

the doorbell rang the door bell rings we heard the doorbell ring we heard the door bell rings

hand in; rings hand in; will ring be handed in; will ring be handed in; rings

the doorbell rang the doorbell rings we heard the doorbell ring we heard the doorbell rings

the doorbell rang the doorbell rings we heard the doorbell ring we heard the doorbell rings