I’ve already toldyou that I’m going to buy it, ________.

The flight to Guangzhou had to be________because of the heavy snow.

（2014·全国大纲卷）I think Mrs. Stark could be _______ between 50 and 60 years of age.

Having noticed that she was followed by someone, she stopped and looked at the shop window, _____to be enjoying the beautiful clothes. [ ]

Don’t stay up late because you must get up early tomorrow.—Don’t worry, I getting up early.