﹣Do you know_______？
﹣Yes，of course．It will be hosted by Beijing and Zhangjiakou．（ ）
A．how will be the 2022 Winter Olympics
B．which city will host the 2022 Winter Olympics
C．when will be the next Winter Olympics
D．where will be the next Winter Olympics
_________she is very young， she can take good care of herself．（ ）
| A． |
If |
B． |
Unless |
C． |
Since |
D． |
Although |
Parents always _________us not to swim in the river in summer．（ ）
| A． |
promise |
B． |
train |
C． |
warn |
D． |
show |
Our Chinese teacher is so _________that each students likes her．（ ）
| A． |
patient |
B． |
lucky |
C． |
shy |
D． |
busy |
Don't use your mobile phone when you go _________the road． It's dangerous．（ ）
| A． |
through |
B． |
over |
C． |
into |
D． |
across |
Bob， when will you help me do a survey， today or tomorrow？
________ is OK． I'm free these two days．（ ）
| A． |
Both |
B． |
None |
C． |
Either |
D． |
Neither |