Massive open online courses provide a wonderful model of ______ we call high-tech learning, which helps students have access to web-based resources.

(单选题)It is believed that if a book is ______, it will surely ____ (单选题)Although all of the apples ______, none of them ______ good. (单选题)You’ll find it ______ great value in helping you find the lo (单选题)The food was divided ______ according to the age and size of (单选题)Magnificent views over the countryside have often ______ peo (单选题)I asked the tailor to make a small ______ to my trousers bec (单选题)The Prime Minister refused to ______ on the rumor that he ha (单选题)Though he did not say so directly, the inspector ______ the (单选题)40. （ ） (单选题)39. （ ）