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Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following questions.
We are worried ________ the current situation of environmental pollution in our country.
- A. of
- B. about
- C. on
- D. at
trả lời câu hỏi trước khi xem đáp án bên dướiYOMEDIACâu 1 Đáp án đúng: B
Đáp án đúng là B: "be worried about": lo lắng về…
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CÂU HỎI KHÁC VỀ TỪ LOẠI
- The plan was developed _________by a team of experts
- The Prime Minister congratulated the team _______winning the match
- Did you read ________ book I lent you last week?
- Traditionally, Americans and Asians have very different ideas ____ love and marriage
- This morning I bought ________ newspaper and a magazine.
- The progress made in computer technology ____ the early 1960s is remarkable
- They have sent Bob to ____ prison
- John got married again?
- Has Jenifer ever been to Paris?
- John cannot make a _______ to get married to Mary or stay single until he can afford a house and a car
