We'll never give up_______ on the project no matter how difficult it is.
—Have you found the book ________ you lost yesterday?—Yes. I left it in the library.
Hurry up! The plane will ________ at six o’clock.
John ________ his grandma every day when she was in hospital.
We will have a picnic ________ it doesn’t rain tomorrow.
—________ are you leaving for Shanghai?—Next week.