29. The teacher suggested that John ______ to cram schools to improve math skills, but he couldn’t afford it.
(A) went
(B) go
(C) goes
(D) had gone
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統計: A(60), B(219), C(44), D(22), E(0) #2030902
統計: A(60), B(219), C(44), D(22), E(0) #2030902