There is an eraser in Tom’s pencil box.(变为否定句) ________________ an eraser in Tom’s pencil box.
题目考点:There be句型否定
答案:
There isn't
解析:
解析:原句为肯定句'There is an eraser in Tom’s pencil box.' 要将其变为否定句,需要在'is'后加上否定形式'not',构成'There is not an eraser...',口语和书面简写通常用'There isn't an eraser...',因此答案为'There isn't'。