Professor Jordon is well known for his _____ into the habits of the common housefly.
#6923
A
examination
B
introduction
C
research
D
expression
推荐题目
New Zealand _____________the Maori tribe.
#6435
A
is the home to
B
is home to
C
settle down in
D
is a home of
. The _____ look on his face suggested that it was he who had broken into the house.
#6491
A
fright
B
frightened
C
frighten
D
frightening
This dictionary is _____ to my reading, but that one is __________.
#6647
A
great help; helpless
B
a great help; of no use
C
important; of few importance
D
very helpful; of no any use