The Great Wall istourist attraction that millions of people pour in every year.
so a well-known
a so well-known
such well-known
such a well-known
Much to my , I’m unable to accept your kind invitation.
—Shall we hang out tomorrow morning? — ________ I’ll save the morning for my homework.
I have been in low spirits ______she left our school
We have to ________ the picnic because of the heavy rain.
You must turn off the gas after cooking. You can never be ______ careful withthat.