She is always the first staff to go to the office and the last to leave,______ I guess is why she is promoted so quickly.
—I’m sorry to trouble you, madam. —_______
I’m not sure whether he has the key that ______ the door of the classroom.
On my eighth birthday party I received a pencil box ______ with some cartoon pictures on the top.
It was the first time that I ___________ the night face to face.
I have bought the same trousers _________ he is wearing.