She isn’t feeling very well today.—You’re right. ______ to have caught cold.

He ran the 100 meters in 9.91 seconds, and I have not seen _________ this year.

It is still under discussion ________the old bus station should be replaced with a modern hotel or not.(2011·重庆)

ronger the ______ is, the more quicklya person will learn a foreign language. That is to say, it is up to whether hehas an interest in the foreign language.

Itsoundlike a perfect destination,but it is really adventurous to go there.