Shall I invite Tom to my party?—Yes,it will be nice if you_________.

On rainy days, accidents ______ happen sometimes on steep roads．

Where did you see the sponsor, Madame?— It was in the supermarket _______I was doing some shopping with my husband [ ]

s one fourth and a half, do youknow— Yes, it’s _________

You should be _______ careful when you take thechemistry exam.–I agree. In this way, I will make _______ mistakes.