His change is not obvious but subtle. 他的變化並不明顯,但微妙。
(A) subtle 微妙的、難捉模的(B) apparent 表面的、明顯的(C) dense 密集的、濃厚的、愚鈍的
EX : Traffic slowed down because of the dense fog. (因濃霧車輛減速行駛。)
(D) fertile 豐富的、能生育的
9. His change is not obvious but _______..-阿摩線上測驗