They have the right to check ______ the 
will is valid(有效的), of course.
| A．whether | B．why | C．when | D．how |
14. With some books badly needed_________, she hurried to the bookstore.
| A．buying | B．bought | C．to buy | D．Buy |
12.So absorbed__________in her work that she didn't realize I was behind her.
| A．did she | B．was she | C．she did | D．she was |
11.It will take us another five years______the construction of all the 121 roads is completed.
| A．when | B．since | C．before | D．After |
9.Loulan City is not at all__________a traveler who has never seen the desert before can expect.
| A．that | B．what | C．which | D．Where |
8. The doctor insisted she____in bed. But her smiling face suggested there____nothing serious.
| A．stay; was | B．stayed; was | C．would stay; be | D．stay; be |