(单选题)8: I'll never forget the days _____________ we spent together last summer. A: when B: where C: which D: how ...

(单选题)3: Very soon after the ________ of the fight the young man was arrested. A: outbreak B: outlook C: outlet D: outcome ...

(单选题)13: Stressful environments lead to unhealthy behaviors such as poor eating habits, which _____ increase the risk of heart disease. A: in turn B: in return C: by chance D: by turns ...

(单选题)8: While in London, we paid a visit to the hospital founded _______ the nurse Florence Nightingale. A: in charge of B: in search of C: in honor of D: in favor of ...

(单选题)3: We’ll visit Europe next summer vacation ______ we have enough money. A: lest B: until C: unless D: provided ...

(单选题)18: Four hours _____ too long for him to write the letter. A: has B: is C: are D: have ...

(单选题)13: We were deeply impressed by her important _______ to the success of the project. A: work B: determination C: improvement D: contribution ...

(单选题)8: He was too excited _________. A: speak B: not to speak C: to speak D: speaking ...

(单选题)3: It was an _______ hunt, but the fox escaped. A: excited B: exciting C: excite D: excites ...

(单选题)18: You must pay for the book _______ A: in advance B: find out C: turn into D: search for ...