Ms Marsh was such a careless group leader that she ______ a very important detail when laying down the plan for the project.

下列各句中，没有语病的一句是（ ）

lling, ______my company, to thank youagain for your generous help.

They talked for about an hour of things and persons __________ they remembered in the school.

Do you know __________ it is from our school to Jiangyin—-I’m not sure. I guess it’s about 45 minutes by bus.