(单选题) This method is ______ which saves us half of the time and effort.(本题2.0分)

A. efficient

B. effective

C. influential

D. fruitful

(单选题) I stayed in the sitting room and _____ my friends all the time.( )(本题2.5分)

(单选题) –What’s the time by your watch? –____________________.(本题2.0分)A. Sorry, my

(单选题) It never _______ to us that he hadn’t been invited.( )(本题2.5分)A. cameB. we

(单选题) Infant ________ rate is the number of infants dying before reaching one ye

(单选题) To maintain clarity and ________, we leave all complicated theories aside.

(单选题) The notice on the lobby reminds all the guests to make sure that their ___

(单选题) As days _________, a deep friendship began to develop between them. (本题2.5

(单选题) My grandma was so _____of flying that she always preferred to take a train

(单选题) The newcomers have to undergo one month's ________ training before they ta

(单选题) The students in our school are ____ those in that school.( )(本题2.0分)A. two