---Look, what have you done?---Sorry. I think if I _____another chance, I’ll do it better.
It ______ the workers about 20 months to build the Huhang highspeed railway.
Of all the students, Li Lei is _______to Mr Wang.
There are a lot of _______friends.
In our city, it’s ____in July, but it’s even _____ in August.
—What’s the matter_______ Betty? —She lost her wallet.