If you want to be healthier, you shouldn't do _____ in the classroom all the time but do more _____ on the playground.
I want to send an email to him, ________ I don't know his website.
______ the moment ________ different schools of the world students are having different classes. A. In; at B At; in C In ; in D.At; at
What about shopping for food and fruit?
Elephants like ________ but lions like ________.
—What kind of movies does Maria like? —She likes thrillers, ________ she doesn’t like Beijing Opera.