I often         the words I don’t know in the dictionary or on the Internet.
#72704
A
look up
B
look at
C
look for
D
look into
推荐题目
At the party, you oughtn’t to_____the joke. Didn’t you see the hostess was a bit______?
#83513
A
have told;embarrassed
B
have told;embarrassing
C
tell; embarrassed
D
be telling;embarrassing
 All the tourists _______ about the bad service in that restaurant. 
#74846
A
explained
B
expressed
C
promoted
D
complained