---You’ve dropped _____ “s” in the word “acros”
---Oh, ____ letter “s” should be doubled like this “across”.
| A．a ,a | B．an ,the |
| C．a ,the | D．the ,the |
_______ the heavy rain, many people were late for work.
Because B. Because of C. As D.Since
Tom _________ in making a model plane. It was a _________.
| A．succeed; success | B．succeeded; success |
| C．succeeds; successful | D．succeeded; successful |
The trip will take us ________ days.
| A．the third | B．third | C．three | D．one |
—How ______ your holiday?—Not bad.
| A．were | B．was | C．be | D．are |
You’d better ________ your homework before you play games.
| A．finish | B．to finish | C．do | D．to do |