Though it is 30 years_______we last met, I still remember the scene_______we got separated on a rainy day.
A.before; where B.before; which C.since; when D.since; where
I think my father would like to know_______I’ve been up to so far, so I decide to send him a quick note.
A.which B.what C.why D.when
I didn’t know he was in the company. _______it, I_______then.
A.Had I known; would call on him
B.Should I know; would have called on him
C.If I knew; would call on him
D.Had I known; would have called on him
If you want to do the experiment again, you had better be more careful ________ you made a mistake.
A.when B.why C.where D.that
Now that energy prices are rising so rapidly, further prices are very uncertain, and the risk a new investment depending on them may fail is greater.
A.by which B.of C.that D.in that
—Do you think the weather will be fine this spring?
—No, we are fortunate. The weatherman forecasts there will be several sand storms.
A.if B.as C.though D.unless