Before the first nonstop flight made in 1949, it_____ necessary for all planes to land for refueling.
A．would be B．has been C．had been D．would have been
Students who pass the test will be ______ to the next grade, as has been announced.
A．possessed B．promoted C．proposed D．appealed
When choosing a product, I sometimes try to figure out the meaning___ to its brand name.
A．attaching B．having attached C．to attach D．attached
There is hardly an environment on earth ______ some species of animal or other have not adapted successfully.
A．to which B．in which C．for which D．on which
—I don’t feel like going out. Why don’t we just stay home and watch TV instead?
— ______ You promised to take me out for dinner and to the theatre on my birthday.
A．Great! B．Why me! C．Come on! D．Not at all!
—How did she lose so much weight as expected?
— eating less, she jogged for several miles every day.
A．In spite of B．In addition to C．Instead of D．Thanks to
