Some teenagers _______ their health because they often expose themselves to so many electric products.
A.have damaged | B.are damaging | C.damaged | D.will damage |
_______ a satisfactory operation, the patient recovered from illness very quickly.
A.Having been given | B.Having given | C.Giving | D.Being given |
.When I came in, I saw Dr. Li _______ a patient.
A.examine | B.examining | C.to examine | D.examined |
.The cars _______ in Beijing are as good as those _______ in Shanghai.
A.produce, produce | B.produced, produced |
C.produced, producing | D.producing, producing |
The graduating students are busy _______ material for their reports.
A.collect | B.to collect | C.collected | D.collecting |
I had to shout to make myself _______ above the noise.
A.heard | B.hearing | C.heard | D.to hear |