14．The picture looks very beautiful _____ the light wall．
| A．in | B．of | C．over | D．Against |
The employees feel so excited ! At this time tomorrow morning they to Sanya, one of the most attractive cities in China.
| A．will be flying | B．will fly | C．have been flying | D．have flown |
In order to go to a key university, I must______my study from now on.
| A．consist of | B．get away from | C．concentrate on | D．come up with |
The English teacherher students how to improve their comprehension skill since last week.
| A．has told | B．is telling | C．has been telling | D．will have told |
---- Sorry, I have to ______ now. It’s time for class.
---- OK, I’ll call back later.
| A．hang up | B．break up | C．give up | D．hold up |
Before a problem can be solved, it must be obvious ______the problem itself is.
| A．what | B．that | C．which | D．why |