Foreign visitors will get lost easily in new Taixing ________ they have a map.
| A．until | B．if |
| C．whether | D．unless |
--- When will our graduation ceremony be held?
---______ two weeks’ time, _______ 18th June.
| A．On, in | B．In, on | C．On, on | D．At, on |
There are over 58,000 rocky objects in_____ space，about 900 of which could fall down onto ______ earth．
| A．the；the | B．不填；the | C．the；不填 | D．a；the |
---I heard quite a few bikes were thrown away at Liaocheng University.
--- _________________. They should be made use of.
| A．I hope not. | B．Take it easy. |
| C．Not much. | D．That’s too bad. |
There are so many foggy days these years. We all wonder ______________________.
| A．what can we do to prevent it |
| B．what we can do to prevent it |
| C．how can we do to prevent it |
| D．how we can do to prevent it |
I think that “Duang” must be one of the____________words on the Internet this year.
| A．hot | B．hotter | C．hottest | D．most hottest |