If you don't know how to spell a new wor
问题:
If you don't know how to spell a new word,you'd better _________. [ ]
A. look up a dictionary
B. look up an dictionary
C. look up in a dictionary
D. look up in an dictionary
If you don't know how to spell a new word,you'd better _________. [ ]
A. look up a dictionary
B. look up an dictionary
C. look up in a dictionary
D. look up in an dictionary