用所给词的适当形式填空。What an________(embarrass)moment it is!I want to leave the room at once.
The young woman always ______ sunglasses in the sun.
– What does your brother ______? – He is of medium build.
There ______ a dolphin show in the zoo tomorrow evening.
There is _____pollution and ____fishes in the river now than 20 years ago.
The sign(标志牌)made us safe.