—hat s_______ good.
[单选题]2. We watch soccer games on _________TV.A.aB.anC.theD./
[单选题]44.Let's_______ right now.A. go to schoolB. to go to schoolC. to go schoolD. go school
[主观题]Let’s(has) broccoli, It's good for us.
[主观题]Victor and Selina are Dave-s_______(朋友).
[单选题]27. —Who’s Frank?—He's Bruce's_______A.sisterB.brotherC.cousinD. friend
[单选题]—pretty good.—62
[问答题]Books and friends should be few but good.
[单选题]( )–It’s raining heavily.Let’s stand under that big tree.–__________.It’s very dangerous to do so in such weather.A.We don’t have toB.Let’s goC.All rightD.We’d better not
[单选题]Let's ______.A.play footballB.play a footballC.play the footballD.play foot
[单选题]Let R and S be the relation respection respectively:Relation R:A B C Relation S:B C D1 2 3 2 3 46 7 8 2 3 59 7 8 7 8 1The number of tuples that the result of the expression R∞S(Here if natural join of relations R and S) is (69) .(69) A.1B.4C.7D.10