Hundreds of dead little blue penguins have been washing up on beaches in New Zealand as scientists \_\_\_\_ what could be the cause.
Adwindle
Bhallucinate
Cplunge
Dspeculate正確答案
答案與詳解
為什麼答案是 D
speculate 意為「推測、猜測」，科學家推測可能的原因（what could be the cause），語意與語法皆完全契合。
載入中…
