未知题型
He is ______ about his chances of winning a gold medal in the Olympics. next year.
A) optimistic B) optional C) outstanding D) obvious
A optimistic 乐观的
未知题型 are measured 选择
未知题型 It is recommended that the project _____ until 选择
未知题型 I have no objection _____ the evening with them.(A) to spend (B) to spending (C) of spending (D) spending