Don’t leave Tom alone-he is    in such a large house.
#18603
A
frightening
B
to frighten
C
frightened
D
Frighten
推荐题目
 I haven’t seen______ this since I collected stamps.
#20461
A
as beautiful a stamp as
B
so anbeautiful stamp as
C
stamp as beautiful as
D
as anbeautiful stamp a
--How are your recent trip to Sichuan?—I’ve never had ______ one before. 
#18139
A
apleasant
B
amorepleasant
C
amostpleasant
D
themostpleasant
I __________ the names of plants.
#17599
A
familiar with
B
are not familiar to
C
am not familiar as
D
am not familiar with