(单选题)23: Jack and Jane have been married ( ) 10 years. A: for B: since C: in ...

(单选题)14: He came here a year ( ), and I have been here ( ) two years. A: ago, for B: before, in C: before, for ...

(单选题)3: I have no idea who stole his wallet. It ( ) anyone. A: could have been B: should have been C: must have been ...

(单选题)12: ( ) the end of the next week, we'll have read five books. A: Until B: For C: By ...

(单选题)7: A: Have you finished your homework? B: ( ). A: No, I didn't B: No, I haven't finished C: No, I haven't ...

(单选题)5: Tom’s computer is broken. He’ll have it ( ). A: repairing B: repaired C: to repair ...

(单选题)4: We need to have our TV set ( ) before this weekend. A: repair B: repaired C: to repair ...

(单选题)17: Since we have a focused subject, we should not talk ____. A: at once B: at hand C: at intervals D: at random ...

(单选题)8: The police have ___ a plot to assassinate the President. A: uncovered B: known C: found D: covered ...

(单选题)18: New approached will have to be ____ if youth are to be prepared for the change. A: developed B: developing ...