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III: Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.  Trả lời câu hỏi dưới đây:He was _________ to explain why he hadn't finished the work.

III:
Mark the letter A, B, C, or D to indicate the correct answer to each of the following

Câu hỏi

Nhận biết

III:

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions. 

Trả lời câu hỏi dưới đây:

He was _________ to explain why he hadn't finished the work.


A.
 at random     
B.
at a loss   
C.
at least 
D.
at first 
Đáp án đúng: B

Lời giải của Luyện Tập 365

Đáp án là B.  at a loss: bối rối.

Nghĩa các từ còn lại: at random: ngẫu nhiên; at least: ít nhất; at first: đầu tiên

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