A.keep
B.to keep
C.be kept
D.to be kept
[单选题]The control panel of the steam turbine must( )clean every day.A.keepB.to ke
[单选题]The windows of our office ______ every day.A.is cleanedB.are cleanedC.are c
[单选题]We find it _____ to do morning exercises every day.A.helpfulB.thankfulC.won
[问答题]I take a walk in the early morning every day.
[单选题]It’s( )for us to have physical exercises every day.A.goodB.kindC.gracefulD.
[单选题]I [stroll] aroundthe park for an hour after dinner every day.A.runB.rollC.w
[问答题]As we all know, hundreds of children in Africa lose their young lives every
[单选题]Scan has formed the habit of jogging_______the tree-lined avenue for two ho
[单选题]Breakfast is the first _____of the day.A.foodB.dinnerC.lunchD.meal
[单选题]Fruit is good for people. Many people eat some ( 1 ) every day. Mr and Mrs