The children will be happy if he__________ them English.
A. teach
B. teaches
C. taught
D. would teach
KEY: B
Giải thích: câu điều kiện loại 1
Dịch: Lũ trẻ sẽ vui nếu anh ta dạy chúng tiếng Anh.
If she_______ a new hard disk, she would not have lost all data.
______ some German and British management styles are similar, there are many differences between them.
Thank you for phoning when I was ill - it was very _______ of you.
I didn't see the TV programme but everybody said it was excellent. I wish I ___ it.
John would be taking a great risk if he _____ his money in that business.
He fixed a metal ladder to the wall below his window_____ escape if there was a fire.
By the year 2021, 6% of all US jobs _______________by robots, report says.