It _____ have been Tom that parked the car here, as he is the only one with a car.
A. may B.can C. must D. should
Though money, his parents managed to send him to university.
A. lacked B. lacking of C. lacking D. lacked in
The flu is believed by viruses that like to reproduce in the cells inside the human nose and throat.
A. causing B. being caused C. to be caused D. to have caused
His mother suggested he ______ to see the doctor, because his pale face suggested he ____ ill.
A. would go, had been B. go, was C. went, had been D. must go, was
What I need is _____ book that contains ______ ABC of oil painting.
A. a; 不填 B. the; 不填 C. the; an D. a; the
What a pity! I missed meeting my boss at the airport because my car was ______ in the traffic jam.
A. broken up B. kept away C. held up D. kept up
