(what) are they useful (for)?
(what) are they useful (for)?
What are trees useful for?
What courses are useful for one’s job?
英语谜语:they are useful
they stay for a much longer time than they are useful.
useful work they are doing!A.What B.what a C.How a D.how
the,ready,football,are,game,for,they,getting(连词成句) What do y
what the fuck are they fighting for
What are they both late for?
What are they for的意思
they will be more useful than what is common for early proto
(1)Are bats useful animals?(2)What do bats eat?(3)Do bats ha