If the machine _______, press this button.
A. stop
B. stops
C. would stop
D. stoped
KEY: B
Giải thích: câu điều kiện loại 1, mệnh đề chính ở dạng mệnh lệnh thức.
Dịch: Nếu cái máy đó ngừng hoạt động, bấm nút này.
That machine is useless. It_______not been used for a long time
She made no ___________to her illness but only to her future plans.
________ the internet is very popular, many older people do not know how to use it.
.________ having the best qualifications among all the applicants, Justin was not offered the job.
Ms. Black and Ms. White are talking about Mr. Brown’s upcoming retirement.
Ms. Black: “Mr. Brown is going to retire next month.”
Ms. White: “ _______________”.