Have you ever invent something?

up with – придумал(а)
mittens - варежки
glasses – очки
start selling – начать продавать
invest - инвестировать
to file a patent - подать заявку на патент
hamster - хомячок
helmet - шлем
explain - объяснить
riding your bike – ехать на велосипеде
start to get hungry - начать чувствовать голод
trash - мусор
catapult - катапульта
science project – научный проект
taking out the trash – выбрасывать мусор

has invented SunMuffs.
Barbara has invented Hamster Hamlet.
Jet has invented Trash Catapult.

age did Reagan invent SunMuffs?
How did Barbara think of Hamster Hamlet?
Why did Jet invent Trash Catapult?
Does the Trash Catapult trow trash trough the window?
Who patented the invention?
Who started selling the invention?