你可能感兴趣的试题
would have come could come have come had come
would have come could come have come had come
was; was was; were were; were were; was
models of the new generation of airliners there were there were models of the new generation of airliners were models of the new generation of airliners were there models of the new generation of airliners
take over take up take in take on
think; were thought; are think; are thought; were
hunger pains trouble pleasure
was; was were; were was; were were; was
in general on purpose in particular in all
almost as happy almost happy as as happy almost as almost happy
was, was was, were were, were were, was
take over take up take in take on
board abroad on board on the board