Watching TV too much ________bad for you eyes.A. are B. was C. is
— You speak French so well. How long have you learned it? — ________ I was fifteen.
The presentation of the Film Festival will be covered live tonight. It’s worth ________.
It’s so silly ________ people to buy and store so much salt. It’s necessary ________ them to learn more about salt.
He ________ whether he will be able to win the tennis match. So he feels very nervous.
Some of the CDs belong to her, while the rest are ________.