The U.S. first lady Michelle Obama, arrived in China on March 20, 2014 for _______ six-day visit, focusing on _______ importance of cultural exchanges.
He _____ in Shanghai for five years.
____ the Forbidden City is almost 600 years old, _____ it is still very beautiful.
I have __ a raincoat _____ an umbrella. That’s why I have to wait until the rain stops.
---Why not go out and see the film today, Millie? --- _________, but I will help Li Hong with lessons, she is new.
It is said that robots can do many things ___ humans can’t do ______the control of computers.