As far as we know， the 2022 Winter Olympics ___ in China．（ ）
| A． |
hold |
B． |
are held |
| C． |
will hold |
D． |
will be held |
My bike was broken yesterday， so I____walk home．（ ）
A．mightB．had toC．mustD．could
Do you know the boy____is talking to Mr Zhang？
Yes． He is our monitor．（ ）
A．whichB．whoC．whoseD．whom
In the end， Mr Song came up____a good method to solve the problem．（ ）
A．forB．atC．inD．with
As we all know， the Changjiang River is the____river in our country．（ ）
A．longB．longestC．highD．highest
Where are Lily and Lucy from？
____are from the USA．（ ）
A．OursB．WeC．TheirsD．They