To keep the air clean, this hospital _____ all the patients ____ in and around it.
| A．allows; smoking | B．forbids; to smoke |
| C．prevents; smoke | D．prohibits; smoke |
Danny _____ hard for long to realize his dream and now he is popular.
| A．works | B．is working | C．has worked | D．worked |
26.—Did Peter fix the computer himself ?
--He ____ ,because he doesn’t know much about computers.
| A．has if fixed | B．had fixed it | C．had it fixed | D．fixed it |
.-- I saw Jane and her boyfriend in the park at eight yesterday evening.
-- Impossible. She _____TV with me in my home then .
| A．watched | B．had watched | C．would watch | D．was watching |
They ____two free tickets to Canada , otherwise they had never been able to afford to go .
| A．had got | B．got | C．have got | D．get |
. --_____you _____him around the museum yet ?
--Yes.We had a great time there .
| A．Have; shown | B．Do ;show | C．Had ;shown | D．Did ;show |