The Mekong River Commission has found no evidence ______ the dams on the upper reaches have an influence on the water flow downstream.
—Is there anything I can do for you,sir? —_____ .
— Shall we go there next Sunday?— ________?— To see the football match.
—Her grandpa passed away yesterday.— ______ .
— My name is Jack Smith. ________ — Hi! I’m Jackson.
— Excuse me, have you been to Japan? — _______.