(单选题)22: Perseverance is a kind of quality—and that’s _________ it takes to do anything well. A: that B: which C: of which D: what ...

(单选题)17: _____ the rain stops, we' ll set off for the station. A: Before B: Unless C: As soon as D: Though ...

(单选题)2: There’s a feeling in me ___________ we’ll never know what a UFO is. A: What B: which C: of which D: That ...

(单选题)23: She is quite (  ) now. A: happiness B: happy C: happily D: happier ...

(单选题)20: Lisa is a (  ) girl. A: ten-year B: ten-years C: ten year D: ten years ...

(单选题)18:  --Do you care for modern music?  --(  ) A: No,I like classical music B: No,I hear it C: No,it's not my like D: Yes,I like it ...

(单选题)15: This medicine is (  ). A: efficient B: effective C: efficiency D: effect ...

(单选题)8: It is a big (  ) for him to do such difficult work. A: courage B: challenge C: opportunity D: chance ...

(单选题)6:  I'm sorry to trouble you.  ---(  ) A:  -You are welcome. B: You can't say so. C: With pleasure. D: Not at all. ...

(单选题)24: Look (  ) the word in the dictionary. A: in B: up C: on D: at ...