The public transport system in Beijing is very good now, so there _____be any difficulty in traveling around the city.
My sister, as well as her classmates who_____ late for class, _____criticized by Mr. Hunt.
.—Let’s back up. Where was I?—______.
Good job! Not a single mistake ______ in your homework.
If you ______ half an hour every day for English reading, you are sure to improve your reading ability.
Hi, somebody ______ the window, please. It’s too cold in here.