The behavior of many volcanoes ______ very difficult to predict, especially the more explosive types.
Giải chi tiết:
Đáp án là B. Chủ ngữ là “The behavior of …” số ít => dùng “is”
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.
The company's art_______ will be sold at a special auction.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.
Please ensure that all outstanding debts are cleared within days of________ of this notification, otherwise legal action will follow.
________(60)
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.
We are all aware of our secretary's________ plan.
___________(55)
_________(51)
______(57)
________(58)