Long marks on the street ________ that the driver had attempted to brake.
| A．applied | B．attained |
| C．indicated | D．distinguished |
She thinks women have to do more than men do when they ______ for jobs or honors．
| A．select | B．compete | C．store | D．charge |
_______ many times, he finally understood it．
| A．Taught | B．Teaching | C．Having taught | D．Having been taught |
Ladies and gentlemen, please remain ________ until the plane has come to a complete stop．
| A．seated | B．seating | C．to seat | D．seat |
He told us whether _________ a picnic was still under discussion．
| A．to have | B．having | C．have | D．had |
--Has your teacher returned from America yet?
--Yes, but he _______ here for only three days before his company sent him to Africa．
| A．was | B．has been | C．will be | D．would be |