The shop ________ from Monday to Friday. It’s ________ at weekends.
| A．opens; closes | B．is open ; closes |
| C．is open ; closed | D．opens ; close |
I am very tired because I up late.
| A．got | B．stayed | C．put | D．sat |
You will find you can enjoy so many books if you English.
| A．know | B．knows | C．will know | D．knowing |
Don’t come into the lab ________ you are asked to.
| A．unless | B．until | C．because | D．since |
My uncle has been taught in this school _______ he was twenty years old.
| A．since | B．for | C．until | D．after |
Don’t worry, sir. I’m sure I can run _____ to catch up with them.
| A．fast enough | B．enough fast |
| C．slowly enough | D．enough slowly. |