【单选题】
2.I couldn’t understand why he pretended ______ in the bookstore.
【单选题】
In the meantime, the question facing business is whether such research is _____ the costs.
【单选题】
7. They hope to_________the source of the infection.
【单选题】
1.The movie star ______ with your sister, didn’t he?
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7.We had warned him________the danger but he turned a deaf ear to our warning.
【单选题】
10.It’s a highly___________infection.
【单选题】
8. Herson didnotseemto_____anyimportanceto what she had said.
【单选题】
13.Don’t ______ to let me know if there’s anything I can do for you.
【单选题】
5. Without your help, I couldn’t ______ the details ______.
【单选题】
8. Economy seems to be the only ______ to the financial problem.