The house was quiet in the night, ________ the occasional coughing from my throat.
A、asforD
A.至于，关于;B例如;C代替，而不是;D除了……以外
In 1985,_______ became the first international hotel company to open a hotel in China bearing its own name.
Pleasewriteareport________theabovesubjectsaretobecovered.
Which of the following country is not a member of OECD?
He found _______ difficult to study maths.
Scientists doubt wheth er it ’s ________ to regulate one ’s biological clock by drinking.
