After a short rest, the workers kept on _______ till midnight.

If you have trouble pronouncing these words, you can repeat them over and over again ________ you are comfortable with them．

Last night we went to Ann’s party,____weenjoyed very much[ ]

How do you like Beijing, Miss Read—I’ve no idea. I _____ there.

I think smoking is bad for your health. You see the sign “No Smoking” there. — Yes, I know. But I simply can’t _____.