---Is that your friend?--- ______________.
In his_____,Wilson returned to his hometown and began to teach .A.thirty B.thirties C.thirtieth
一Excuse me,may I ask you a question?一Sure,________ .A.go ahead B.you’d better not C.I hope so
一Wow , so many coins here!一Right!My father is fond of________coins.A.collect B.collects C.collecting
They are in the same school,_________in different classes.A.and B.or C.but
----what’s this in English,Maria ?-----It's ________map.A.a B.an C. The