The island is two kilometers off the coast, and you can’t get there ____ by boat.
Nowadays, ______ kitchens with advanced equipment can help ______ blind to cook by themselves easier.
It was a pity that the great writer died ______ his work unfinished.
At first he refused to admit his guilt but when he was shown the evidence he ______ and confessed (坦白).
________with the help you gave the blind man, mine is not worthy of being mentioned at all.
It is usually warm in my hometown in March, but it ______ be rather cold sometimes.