单选题 It was not until she had arrived home ______ remembered her appointment with the doctor.

单选题 New love fills your heart little by little, leaving no room for the old as if ______.

单选题 ______ the sacrifice of many revolutionary martyrs, we can live in a peaceful and harmonious life.

单选题 The families of the victims feel that the justice system has let them ______ .

单选题 When you leave your office, it is not necessary to switch your computer off, but you’d better log ______ all your accounts.

单选题 The hotel room rate has been cut ______ and it is cheaper during summer holidays.

单选题 If I were you, I ______.

单选题 It took years for his mother to finally come to terms ______ his lack of artistic talent.

单选题 The animals that learned to go ______ the obstacle course showed a greater number of brain connections than the animals that didn’t.