I went to school____ it rained heavily.
| A．but | B．although | C．if | D．because |
Professor White has written some short stories, but he is _____ for his plays.
| A．more-known | B．the most- known | C．better- known | D．the best- known |
Don’t promise anything ________ you are one hundred percent sure.
| A．if | B．after | C．when | D．unless |
--- What did the teacher say to you just now?
--- She asked me _______________.
| A．whether I had finished my work |
| B．if had I finished my work |
| C．that I had finished my work |
| D．how long had I finished my work |
He has finished writing his new book and it will __________soon.
| A．work out | B．come out | C．go out | D．take out |
--- Excuse me sir, where is Room 301?
--- Just a minute. I’ll ask Bob ________ you to your room.
| A．show | B．shows | C．to show | D．showing |