Since we have failed many times, we should take a new approach __________ the problem.
Sheldon could have defeated Howard in the match, but he _______ too careless at the last minute.
Don’t call me up at this time tomorrow, for I _______ an important test.
It’s the third time that Li Ming has been to Xi’an , _______?
--Li Ping often watches _______ English TV news in her spare time. ---No wonder she has _______ command of English.
Our English teacher is wearing a gold watch, ________are made of small diamonds