Linda knows a lot about the aquarium because she __(be)there

Linda knows a lot about the aquarium because she __(be)there many times,but I__(not be)there yet,I want to go there next week.
烟花yunyan 1年前 已收到2个回答 举报

ibg3721 幼苗

共回答了15个问题采纳率:86.7% 举报

has been
haven't been

1年前

1

epzhj 幼苗

共回答了229个问题 举报

has been.
have not been

1年前

2
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