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Generally speaking , ______according to the directions , the drug has no side effect .

A．when taking    B．when taken      C．when to take    D．when to be taken

Generally speaking, according to the directions, _____ the drug has no side effect.

     A．when taken        B．when taking       C．when to take     D．when to be taken

Generally speaking,        according to the directions, the drug has no side effect.

Generally speaking,           according to the directions, the drug has no side effect.

       A．when taking         B．when taken          C．when to take        D．when to be taken

Generally speaking,           according to the directions, the drug has no side effect.

A．when taking         B．when taken         C．when to take         D．when to be taken

Generally speaking,          according to the directions, the drug has no side effect.

A．when taking                                               B．when taken         

C．when to take                               D．when to be taken

Generally speaking, ______ according to the directions, the drug has no side effect.

Generally speaking,        according to the directions, the drug has no side effect.

33. Generally speaking, ______ according to the directions, the drug has no side effect.

A．when taking

B．when taken

C．when to take

D．when to be taken

Generally speaking, ______ according to the directions, the drug has no side effect.