—This wall of air is an effective answer to the problem and it ____ work.
—But it is a question to put such a wall of air around the statue.
| A．may | B．must | C．should | D．could |
The project ______ by the end of 2020, will expanded the city’s telephone network to cover 2,000,000 users.
| A．being accomplished | B．to be accomplished |
| C．accomplished | D．having been accomplished |
A teacher of English and class teacher _______ us something about volunteer workers.
A are telling B. is telling C. are given D. were given
__________ difficult the task may be, we will try our best to complete it in time.
| A．Whatever | B．No wonder | C．Though | D．However |
I feel it is your husband who __________ for the spoiled child.
| A．is to blame | B．is going to blame |
| C．is to be blamed | D．should blame |
For passengers traveling into the city, taxis and car services charge ________ 50 dollars.
| A．immediately | B．approximately | C．relatively | D．decreasingly |