It’s _____ hard problem for the twins that ____ of them can work it out.
| A．so; neither | B．such a; neither | C．so a; neither | D．such a; none |
They were all very tired, but ______of them took a rest.
| A．none | B．nobody | C．all | D．both |
After the hard work, what we want is ______a rest.
| A．have | B．has | C．had | D．to have |
You _____keep the water running all the time, because you’re wasting water.
| A．ought to | B．ought not |
| C．not ought | D．ought not to |
--Ann has finished her homework, hasn’t she?
--Yes. She ______it an hour ago.
| A．finished | B．finishes |
| C．has finished | D．will finish |
.I heard a new song on the radio.I ______high and low in the music store, but I can’t find the song.
| A．search | B．have searched |
| C．am searching | D．will search |