What _______ public is concerned about is whether medical workers and scientists will be able to find _______ cure for this new disease after the vaccine is tried on _______ volunteers.
A.不填; 不填; 不填 | B.the; the; 不填 | C.the;不填; the | D.the; a; the |
.
We tried hard, and eventually, we were able to get Mike ____us his car just for a day.
A.lending | B.lend | C.to lend | D.lent |
.
Susan started to clean the room; __________Lily was preparing lunch.
A.however | B.but | C.meanwhile | D.when |
.
Had you joined the caht room ten minutes ago, you would have known what we _______about then.
A.had talked | B.have talked | C.talk | D.were talking |
.
.It is too bad for someone in such a high _______ in the government to behave badly in public.
A.position | B.situation | C.profession | D.condition |
.
----Why are your hands so dirty?
----I ____________in the garden.
A.was working | B.have worked | C.worked | D.have been working |