选择下列词汇的同义词。

singly

答案 1
on regular basis

frequently

答案 2
chief

blast

答案 3
instruct

direct

答案 4
solely

passionate

答案 5
pop

obstruction

答案 6
summarize

sum up

答案 7
enthusiastic

principal

答案 8

你的回答不正确 正确答案是：singly → solely, frequently → on regular basis, blast → pop, direct → instruct, passionate → enthusiastic, obstruction → obstacle, sum up → summarize, principal → chief