—What do you think of the 3-D printer?—It’s great although it still needs further       .
#27675
A
arrangement
B
education
C
information
D
development
推荐题目
 He raised ______ for the charity to help the poor children.
#28815
A
thousand of dollars
B
thousand of dollar
C
thousands of dollars
D
thousands of dollar
 Does Simon have two ________ of ________ ? 
#29902
A
pair; shoes
B
pairs; shoes
C
pair; shoe
D
pairs; shoe
―I wonder _____ Shanghai is from New York.―It’s about 15 _______ flight.
#27809
A
how long, hours’
B
how far, hours’
C
how much, hour’s
D
how far, hours
Egypt is ___________.
#29595
A
a city
B
a country
C
a man
D
a plant