giai va giai thich vi sao ho e vs Question 1 All students will take a multiple_______ test at the end of this month. A. choice B. selection C. option D. answer Question 2. Maria_______ her ex-boyfriend last night when she was deeply drunk. That was ashaming! A. need have called B. must have called C. shouldn’t have called D. might have called Question 3. It is necessary that he_______ the books. A.find B. doesn’t find C. don’t find D. didn’t find Question 4. He acts as if he _______ English perfectly. A. know B. knew C. have known D. had known