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答案：She asks us to spend at least an hour a day learning English．这里是表示要求某人做某事用一般现在时，用句型ask sb to do sth，主语是she是三单，故asks，宾语用宾格us．“每天至少花一小时学习英语”用固定表达spend some time doing sth，每天至少一小时用at least an hour a day，学习英语用learn English，故套用句型为spend at least an hour a day learning English，故答案是She asks us to spend at least an hour a day learning English．
答案：She asks us to spend at least an hour a day learning English．这里是表示要求某人做某事用一般现在时，用句型ask sb to do sth，主语是she是三单，故asks，宾语用宾格us．“每天至少花一小时学习英语”用固定表达spend some time doing sth，每天至少一小时用at least an hour a day，学习英语用learn English，故套用句型为spend at least an hour a day learning English，故答案是She asks us to spend at least an hour a day learning English．