Minister Bill De Blasio ______ in office fewer than 48 hours when he came face to face with his biggest challenge in his life.
| A．has been | B．had been | C．would be | D．is |
-------Let’s go to the concert this weekend.
--------________.I’ve heard my favourite pianist Lang Lang is coming.
| A．Go ahead | B．That’ s all right |
| C．Good idea | D．I don’t agree |
Online shopping, when properly, can save a lot of time ,money and energy..
| A．done | B．is done |
| C．having done | D．to do |
computers play an important part in people’s daily life , they still have some disadvantages.
| A．Since | B．As | C．If | D．While |
He had his camera ready ________ he saw something that would make a good picture .
| A．even if | B．if only |
| C．in case | D．so that |
------ Could I use your car tomorrow morning ?
------ Sure .I a report at home.
| A．will be writing | B．will have written |
| C．have written | D．have been writing |