The book is for the students ___ native language is not English.
It was not until 2010, _______his son took over the company, _______ the crisis was dealt with.
Listening attentively in class and reviewing in time _______ a sure way to improve your learning, and this is especially true _______ it comes to standard tests.
The millionaire _______ buy Picasso’s pictures among others’ because he has a (n) _______ for abstract style.
The General Manager held a dinner party at the International Hotel _______ the foreign guests.
It is _______ that the pork with the “lean-meat powder”(瘦肉精)has been widely _______ all over the country.