按要求写单词。
⑴fat (最高级)_______________；⑵much (近义词) _____________
⑶good (最高级) _____________；⑷am (过去式) _______________
⑸is (过去式) _______________；⑹twelve(序数词)_____________
⑺fly (过去式）______________；⑻sit (现在分词) _____________
⑼their (名词性物主代词) _____________；⑽our (主格) ____________

用括号中所给单词的适当形式填空。
⑴He is old enough. He can do it by ________ (he).
⑵It’s great ________(funny) to play with my pet.
⑶Please write a short passage about your dog at ________ (little) 100 words.
⑷Many ________ (visit) come to visit the Great Wall every year.
⑸Don’t climb over the wall. Look! It says, “It’s ________ (safe).”

—Have you ever been to an aquarium?
—No,_______.

—I’ve never been to a water park.
—_______.

Have you ever argued_______ your parents?