If you can’t decide which of the two books to borrow, why don’t you take __________? I won’t read them this week.
| A．all | B．any |
| C．either | D．both |
Had it been possible I would have gone to the movies, but I ________________ busy.
| A．had been | B．am | C．was | D．would be |
In some developed countries, larger population is ______________ in their big cities.
| A．approved | B．gathered | C．concentrated | D．fixed |
Accurately, my granny has got no hobbies at all ______ you think watching TV as one.
| A．if | B．while | C．after | D．unless |
A person ________ with H7N9 viruses will be more likely to die of lung dysfunction.
| A．developed | B．infected | C．injected | D．progressed |
Don’t be too general. Please give a ________suggestion on how to deal with this difficulty.
| A．specific | B．flexible | C．delicate | D．fragrant |