Thousands of protesters _______ major roads in the central business area of the city for weeks, leading to much inconvenience for many Hong Kong citizens.
| A．knocked off | B．blocked off |
| C．knocked out | D．blocked out |
--- Silly me! I forget what my luggage looks like.
--- What do you think of_____over there?
| A．the one | B．it | C．that | D．this |
_____I had time to check what I had written in the exam, the bell rang.
| A．If | B．Before | C．Until | D．Since |
It never occurred to me_____ she could complete the task in such a short time.
| A．which | B．that | C．what | D．if |
--Would you like to enjoy the ballet performance at the Grand Theatre with us?
---Oh, sorry. I ____to see the film Interstellar by Christopher Nolan.
| A．arranged | B．had arranged |
| C．have arranged | D．arrange |
____visa change made by China and the US will witness _____increase in economy, tourism and education.
| A．A; the | B．The; ／ | C．A;／ | D．The; an |