—Shenzhou-18 with three astronauts was sent up on April 25th, 2024. It’s such ________ exciting event.
—Yes. And the astronauts are our heroes. I want to be ________ useful person like them.
a, an
an, a
a, the
Shanghai is larger than ________ city in China.
American students spend ________ time _________ homework than Chinese students.
The coat is ________big for you. You’d better take the yellow one.
–I always go there by bus. —Why not _______by train? It’s faster.
He has a good sense of humour. He often makes people _______.