如图,在半径为3的⊙O中,直径AB与弦CD相交于点E,连接AC,BD,若AC=2,则tanD=____.
选择合适的短语填空。
write to, close to, arrive in, run out of, get ready for
The shop ________ at 7: 30 a. m. and closed at 10: 00 p. m. every day.