【简答题】In September 1944 he was able to return to his academic duties, but soon after the war ended he ____(患上了)a serious illness and did relatively little research thereafter .
【单选题】In September 1944 he was able to return to his academic duties, but soon after the war ended he _____ a serious illness and did relatively little research thereafter.
【简答题】In September 1944 he was able to return to his academic duties, but soon after the war ended he ( ) a serious illness and did relatively little research thereafter ( 从那以后 ).
【简答题】In September 1944 he was able to return to his academic duties, but soon after the war ended he _____ a serious illness and did relatively little research thereafter.