请速速回答
1 d___(state or way in which two people r things are not the same)
The rain didn't make much d____ to the basketball game
2 v____(total number of words that make up a language)
Etending v_____ is quite important for English learners
3 e___(at any time up to the present)
Have you e_____ been to Beijing
4 r____ ( that which is produced by an activity or cause)
All their hard work produced little r_____