TheRussianlanguageteachersareconvincedthattheirstudents'progress,comingjustweeksaftertheterm,werecausedbyextraeffortstodiscouragestudentsfromspeakingEnglish.
哪个选项是有语法或结构问题的?
Aareconvinced
Bjustweeks
Cwerecaused
Dfromspeaking
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