If the tree hadn't been so high, he __________ it up to take his kite down.
A. could have climbed
B. climb
C. is climbing
D. climbed
KEY: A
Giải thích: câu điều kiện loại 3
Dịch: Nếu cái cây không quá cao, anh ta đã có thể trèo lên để lấy diều xuống.
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.