It’s obvious that her refusing to see a doctor has______ her illness worsening.

下列各句中，没有语病的一项是（ ）

Tsinghua University, ______ in 1911, ishome a great number of outstanding figures.

Why does Sara know so much about Angkor Wat? 　 —She ____ have been there, or… [ ]

good the weather is! Shall we go for a walk