—Your mother becomes more and more forgetful.
—Yes. She searched for her cell phone for a whole day last Sunday but it ______ in her coat pocket the next day.
| A．turned out | B．turned on | C．turned over | D．turned up |
Even many years after his divorce, he still couldn’t figure out the reason for his ____ marriage.
| A．to fail | B．to be failing | C．failing | D．failed |
— Has Mr. Tom White arrived?
— Yes, already. _____ he wait outside or just come in?
| A．Shall | B．May | C．Could | D．Must |
So far this year, no measures _______ against cruelty to animals despite their protest in the
newspaper.
| A．have taken | B．have been taken | C．had been taken | D．had taken |
The idea of protecting environment has been _____ a large extent accepted in this area.
| A．in | B．at | C．to | D．for |
--Would you please explain to me about the difference between the two phenomenon?
--I’m sorry, but that’s just _____ I’m puzzled about.
| A．why | B．what | C．which | D．where |