--- Where are the students ? How could they keep us waiting for so long? --- They started an hour ago and they____ be here in fifteen minutes, I think.
I don't want _______like I' m speaking ill of anybody, but the manager's plan is unfair.
He tried his best to solve the problem, _______difficult it was. A. however B. no matter C. whateverD although
I'm moving to the countryside because the air there is much fresher than________ in the city.
She said she was in great need of such a table and asked me how much _____ table would cost.
The two researchers originally set out to study the zebras in Africa and discovered a new species of tiger _______.