( )Yesterday they _____on the wall for one hour. A. walk B. walks C. walked
I _____ helpful, he ______ helpful, too. A. is, am B. am, is C. am, are
They ______ lots of places last Friday. A.visits B.visit C.visited
Lingling is good at ______. A.sing B.singing C.sings
The first thing _____ some bread A. is B. are C.were
I can play football _____. A.good B.well C.bad