He traveled to many mountain villages and saw many poor children out of school. This experience his life.
| A．would change | B．had changed | C．was to change | D．was changing |
It is widely believed that smoking _________lung cancer.
| A．contributes to | B．turns to |
| C．objects to | D．points to |
New iPhone went on sale on Friday with ________ bigger screen and 4G wireless technology, as ________ company seeks to keep its competitiveness(竞争力).
| A．a ; a | B．a ; the |
| C．the ; the | D．the ; a |
--Excuse me, sir, _______________
--I’d like a cup of coffee and two pieces of bread.
| A．what do you want? | B．may I have your order? |
| C．this table is reserved. | D．I would like to serve you. |
Most people are familiar with the idea that all matter in the universe ________ atoms.
| A．makes up | B．makes up of |
| C．consists in | D．consists of |
There were no tickets _________ for Friday’s performance so we went to the cinema instead.
| A．available | B．valuable |
| C．expensive | D．enthusiastic |