48.We think Mary is a good girl because ________.
A.she's only eight B.she likes to watch animals
C.she likes her teacher D.she's good at her classes
47.Mary is in Grade ________ now.
A.One B.Two C.Three D.Four
46.Mary is a ________.
A.teacher B.student C.worker D.soldier
44.A.of B.for C.by D.with
43.A.early B.later C.late D.quick
42.A.many too B.much too C.too many D.too much
41.A.makes B.takes C.gets D.brings
40.A.when B.before C.if D.after
39.A.what B.when C.who D.how