John promised his doctor he _____ not smoke and he has never smoked ever since.

We’d better leave now.—No hurry. The train ______ at 10 o’clock.

ure reserve for white-flag dolphinswas set up in 1992, _______ boats have been prohibited from sailing around since then

You must do your homework now; you ______ computer games all the evening

Gina has been in Shanghai for ten years. Shanghai has become her second ______ .