—What is the man , do you know ? —I don’t know exactly . But I think he can be but a teacher .
In communication, a smile is usually _____ strong sign of a friendly and ____ open attitude.
---The terrible earthquake brought about a loss of $15 million to this island country. ---___.
Haven’t I told you already that you ___ have my answer tomorrow morning?
---Little Tom got an “A” in the exam. --- ___ he’s been so happy these days.
___ used ___ in a foreign country needs time .