--Can I call you back at two o’clock this afternoon? ---- I’m sorry , but then I ______ to Beijing . How about five ?
The nice girl always dresses herself __ a splendid dress.
Some of the students are not sure ___ spelling the word, while others are not sure ___ the use of some grammatical rules.
He advised me to read an artile ___ reading ___ an American writer ___ senior Book 3.
Who is ___ the school?
The PLA man made a dive ___ the smoking box.