Many people talk about "Didi"．I really wonder ．
Just call to order a taxi through it on your mobile phone．（ ）
| A． |
how can I use it |
B． |
how I can use it |
| C． |
why people use it |
D． |
why do people use it |
Sorry， you can't take the dictionary away，Vicky．I it．（ ）
A．usedB．am usingC．have usedD．was using
China's efforts to stop the spread of COVID﹣19 will the world's ability to limit the harm in the near future．（ ）
A．imagineB．inventC．insistD．improve
We still know little about the Moon_________men have landed on it．（ ）
A．ifB．sinceC．althoughD．because
What a sunny day! Why not go cycling？
_________．（ ）
A．No， I don't mindB．You'd better not
C．That sounds greatD．It's my pleasure
I have some tickets for the football match． I called my friends to see_____．（ ）
A．where did they buy them
B．why they liked to go there
C．when did we go together
D．whether they'd like to go