我妈妈骑自行车去上班要花20分钟 It ______my mother 20 minutes _____ ______to work ___ ____

我妈妈骑自行车去上班要花20分钟 It ______my mother 20 minutes _____ ______to work ___ ____
我妈妈骑自行车去上班要花20分钟
My mother _________ 20 minutes ________ to work on her _________.