— How was your holiday? — It couldn’t have been _____. I just stayed in the hotel because it was raining most of the time.
My deskmate is still a puzzle to me; at one moment he is quiet while at another he _____ be quite active.
My neighbour’s dog is fierce and dangerous, so I think he ought to keep it in the yard _____ it attacks any more children.
Many approaches have been _____ to control the spread of the terrible virus “Ebola” so far.
The failure of their friendship was closely related _____ other people’s privacy.
—Will Jane join in our party tonight? —Yes, but I’d rather she _____.