—Welcome back to school.一__________A.Hello B.Thank you C.Welcome
He helps sick people, he’s a A. cleanerB. doctorC. singer
I enjoywith my father by the lake. A. fishB. fishing C. to fish
He’s going to the supermarket this afternoon. A. in B. on C./
What are they in the room? A. look for B.findingC.looking for
He’s going to Beijing National Day. A. onB. inC. about