单项选择题
A.found B.asked C.met D.questioned
A. lower water levels B. change their opinions C. better predict climate change D. bury sea-level cities like Dhaka and Shanghai
A．how long do you think that B．international communications C．I cannot see you frequently D．after you finish your degree E．how often do you see me F．I have not seen you in a while G．Learn something important H．So where have you been