单项选择题
In order to finish the work time，the man in charge decided to（）some more workers.
A.give upB.take onC.look afterD.find out
单项选择题 I think you should go back to your（）plan，which is much more practical than the present one.
单项选择题 We should（）the customs of the country we are visiting.
单项选择题 It rained heavily．And it was very kind of him to（）his umbrella with me．
