The days are gone physical strength was all you needed to make a living.
A.when | B.that | C.where | D.which |
---I apologized for_____ to tell you when and where the meeting will be held in advance.
A.my being not able | B.me not to be able |
C.my not being able | D.me to be not able |
Most birds find it safe to sleep in the trees, but _____ they have eggs or young chicks, they don’t use a nest.
A.why | B.how | C.unless | D.where |
---What were you doing when Tom came to see you?
---I had just put on my overcoat and_____ to visit my friends.
A.left | B.was left | C.was leaving | D.had left |
As ______along the river bank, she was singing a pop song.
A.walking | B.walked | C.to walk | D.walk |
_____ is known to everybody, Taiwan is part of China. We must unify it.
A.It | B.As | C.That | D.What |