When he ______ the front door, he found his keys were nowhere.
| A．would open | B．opened | C．had opened | D．was to open |
_______ the costume and ________ in the wing, the comedian moved his lips as if repeating the lines.
| A．Dressed in, waiting | B．Dressing in, waiting |
| C．Putting on, wait | D．Having on, be waiting |
One reason ______ Billy Crystal is popular with all age groups is _______ he is quick thinking and has the ability to amuse the audience.
| A．that, that | B．why, because |
| C．why, why | D．why, that |
You can depend on _______ China is always a country to live in harmony with her neighbors.
| A．it that | B．that | C．what | D．whether |
----- Would you mind my having a look at your new iPad?
----- ________.Please go ahead.
| A．Of course | B．No way |
| C．Not at all | D．Don’t say that |
In spite of his ________ to be a scholar in that field, he is not well equipped with that talent.
| A．potential | B．competence |
| C．ambition | D．character |