—Would you like to walk along Yueya Lake with me tomorrow afternoon?
—Certainly, ______ I am too busy.
| A．when | B．until | C．unless | D．since |
Another new library____________ last month in my hometown.
| A．built | B．is built |
| C．was built | D．has been built |
They found _____ useful to advertise on the Internet.
| A．that | B．this |
| C．it | D．it is |
-How much did you ____ on your new bike ?
-About two hundred Yuan.
| A．spend | B．pay |
| C．cost | D．take |
Do you know _____ during the following summer holiday ?
| A．what will Tom do | B．what did Tom do |
| C．what Tom will do | D．what Tom did |
Miss Li__________ more than 100 books in the last few years.
A. read B.has read C. has been reading