20.（ ）

(单选题)—When shall we meet again next month?—At all times. ______ d (单选题)It is ______ amazing that ______ little ants can carry big w (单选题)—What is Aimee like?—______ (单选题)The writer and singer ______ going to attend a promotional e (单选题)I have no dreams ______ to have a happy life. (单选题)A friend has told me about ______ restaurant nearby. (单选题)—Could you finish the homework on time?—______. (单选题)______ you throw a ball into the air, it falls back down. (单选题)Chinese people are, quite rightly, proud ______ their food. (单选题)When you visit ______ foreign country, it is important to kn