________ I have a word with you? It won’t take long.
A. CanB. Must
C. ShallD. Should
I borrow the book Sherlock Holmes from the library last week, ______ my classmates recommended to me..
A. whoB. which
C. when D. Where
Last night, there were millions of people _______ the opening ceremony live on TV.
A. watchB. to watch
C. watchedD. watching
__ carefully if any change occurs when doing experiments in the lab..
A. ObserveB. To observe
C. Observed D. Observing
Jane is in a hurry because the train to the airport leaves _______ half an hour.
A. byB. in
C. forD. until
---Hi, let’s go skating.
--- Sorry, I’m busy right now. I _______ in an application form for a new job.
A. fillB. have filled
C. am fillingD. will fill
