更多"I don't know what happened. I didn'"的相关试题:
[单项选择]I didn' t know what to do but then an idea suddenly ______ to me.
A. took place
B. occurred
C. happened
D. went
[单项选择]I didn't know what to do but then an idea suddenly ______ to me.
A. occurred
B. entered
C. happened
D. rushed
[单项选择]When you don't know what to do next, never give up, just ______. working out your problem.
[单项选择]"What was in the letter" "I don't know. I didn't like ______ it as it wasn't addressed to me.
A. to open
B. opening
C. open
D. opened
[单项选择]James Marshall didn't know what had happened to the plane until ______.
A. he boarded Air Force One
B. the six Russian journalists interviewed him
C. the plane was hijacked
D. he escaped in a special emergency pod
[单项选择]I don’t know why Mary didn’t ask me how to do it as I _______her.
A. must help
B. would help
C. should have helped
D. could have helped
[单项选择]I don't know what makes Christina so attractive to young men.
A. charming
B. special
C. different
D. beautiful
[单项选择]I don't know what his interests are, because we talked ______ about work when we met.
A. main
B. mainly
C. major
D. majorly
[单项选择]I don't know what illness he suffered from, but I do remember he mentioned（ ）in hospital last year.
A. to have been
B. to be
C. having been
D. being
[单项选择]
What we don’t know or refuse to recognize is that modern man has been altering his total environment so swiftly and suddenly that the whole "great chain of life" on this planet is in danger.
All of us live on a tiny spaceship carrying with it its own limited resources for survival.What we have now is all we will ever have to keep us alive.
But man has been harming this system. He cannot help it. Everything we do alters our environment: the ways we grow food and build shelter and create what we call "culture" and "civilization".
World population is growing at such a rate that by the year 2050 nearly seven billion people will live on the earth.Industrialization has added its own burden to the population pressure. The more we produce and consume, the more waste products we discharge into the air and water and land around us, where they do not disappear, but last forever in one form or another. Great progress i
A. it enables us to survive in the closed system of a spaceship
B. it is a modern science that everybody has to learn
C. it can be learned quickly if we study it hard
D. it helps us to understand the relationship between living beings and the environment
