Only when­­­­­­­­­­­­­­­­­___________ according to the directions can the medicine be quite effective.
#80195
A
taking
B
taken
C
being taken
D
having been taken
推荐题目
Only when _______ 30 years old ______ to learn English.
#82625
A
was he; did he begin
B
he was; he began
C
he was; did he begin
D
was he; he began
_______ homework did we have to do that we had no time to take a rest.
#80846
A
So much
B
Too much
C
Too little
D
So little
I finally get the job. Never in my life _________ so happy.
#81591
A
did I feel
B
I felt
C
I had felt
D
have I felt