The factory used 65 percent of the raw materials, the rest of which _____ saved for other purposes.
| A．is | B．are | C．was | D．were |
It was ________ the trouble to explain a job fully to new employees.
| A．worth to take | B．worthwhile taking | C．worthy of taking | D．worthy to take |
He argued _______ smoking, and insisted that it was ________ argument that smoking was harmful to health.
| A．for; beyond | B．against; over | C．for; over | D．against; beyond |
-----Poor Steve! I could hardly recognize him just now!
------_______________. He has changed so much.
| A．Never mind | B．No problem | C．Not at all | D．Me neither |
The little girl who got lost decided to remain _________she was and wait for her mother.
| A．where | B．what | C．how | D．who |
Whenever I met her, _________ was fairly often, she greeted me with a sweet smile.
| A．who | B．which | C．when | D．that |