Nobody knows ______ yesterday.

Let’s play football on the playgroud.. —It’s too hot outside.I would rather________at home than________out.

re you so disappointed—I went there hurriedly and waited there for 3 hours,______ the tickets have been sold out.

一Dad, can I go to the movies tonight一Sure, but you come back home before 9 o’clock.

Many Chinese students think sciencesubjects are _______ foreign languages.