The hotel in Nanchong wasn’t particularly good. But I ____ in many worse hotels.
| A．was staying | B．stayed | C．would stay | D．had stayed |
Due to the policy of free highway fees on major holidays, too many passenger cars are trapped on the highways, causing heavy traffic jams, some even _______ for several hours.
| A．held up | B．broken up | C．taken up | D．given up |
Engineering is ______ challenging course of study that requires ______ thoroughunderstanding of mathematics and science.
| A．the; a | B．a; the | C．不填；不填 | D．a; a |
Vincent is a(an) .He likes travelling to the places where there are few people.
| A．writer | B．explorer | C．worker | D．teacher |
Look ,the apartment that isthere belongs to us.
| A．built | B．build | C．being built | D．being build |
-----“The money in our classroom is lost, who do you think steal it？”Jack says.
----Veny is said the money.
| A．to steal | B．to stealing | C．to have stolen | D．have stolen |