Who wants ________ a doctor.A. be B. to be C. is
What do you do ______ the weekend? A. on B. in C. at
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 breadA. is B. are C.were