Until then, his family ________ from him for six month．

didn’t hear

hasn’t been hearing

hasn’t heard

hadn’t heard

Before the first non-stop flight made in 1949, it ________ necessary for all planes to land for refueling．

would be

has been

had been

would have been

The last time I saw Jane, she ________ cotton in the fields．

was picking

picked

has picked

pick

He left quickly, with the door ________．

open

opened

opening

to open

He sat there silently, with his eyes ________ and his legs _________ ．

closed; crossed

closed; crossing

closing; crossing

closing; crossed

With a lot of difficult problems ________, the manager felt worried all the time．

settled

to be settled

to settle

settling

Roses need special care ________ they can live through winter．

because

so that

even if

as

John shut everybody out of the kitchen ________ he could prepare his grand surprise for the party．

which

when

so that

where

The teacher ________ them to stop talking．

signed

sign

sighed

sight

That large bed will ________ much room．

take in

take up

take over

take away