---–Who is the girl standing over there? -----Well, if you _________ know, her name is Mabel.
— How would you like your steak? — Oh, _______.
The moment he came into his room, he ______ something wrong, though he couldn’t tell.
______ saw the film at the cinema, he stayed home, sleeping
Luckily, the old man was sent to the hospital in time. Three minutes later and he _______.
Tom is clever at numbers and I think he will ________ an excellent accountant.