题目内容：

you may take ___you need
all what
that
all that
which

优质解答

what 或all that
句中空缺部分做前面take宾语,也做后面need 的宾语,what 可身兼两职(all that 中all 做前面的宾语,that则引导后面的宾语从句).
根本就没有all what 的说法!