Don’t give up regardless of difficulty and failure, you’ll never achieve your goals.
After two months’ training,the astronauts are ________to adapt to the conditions of weightlessness.
I smell something ________ in the kitchen.Can I call you back in a minute?
I thought the girl nice,pretty and honest ________ I met her.
Nowadays,scientists are working hard to find a best way of treating addictions ________ drugs.
It was so ________ having to sing in public.