Although his experiments were designed to support the ideas the influence of environment upon plants, Mendel found that many characteristics were passed on from one generation to the next.
A.concerning | B.attaching to | C.involving in | D.concerning with |
More and more high-rise buildings have been built in big cities ______ space.
A.in search of | B.in place of |
C.for lack of | D.for fear of |
---We haven’t seen each other for ages.
---No, I don’t remember how many years ago _______ I last saw you.
A.it was that | B.was it that |
C.it was when | D.was it when |
We are still at the airport.If it weren’t for the delayed flight, we _______ the concert right now.
A.can be enjoying | B.must have enjoyed |
C.would be enjoying | D.should have enjoyed |
_____ his research paper, Professor Reagan experienced various hardships and loneliness for nearly half a year.
A.Accomplishing | B.To accomplish |
C.Accomplished | D.Having accomplished |
____ the flight to New York will be delayed is _____ I’m especially worried about.
A.When; what | B.Whether; that |
C.When; that | D.Whether; what |