_____ can we help victims after a natural disaster?
A. Who B. How C. Where D. When
The police required the traveler ____ for his luggage.
A. check B. to check C. checking D. checked
When we ____ home last night, we saw a strange object in the sky.
A. drive B. drove C. were driving D. had driven
We’ll have to cancel the school sports meeting ___ it snows tonight.
A. if B. although C. unless D. since
It was a terrible journey, ____ we got there safely in the end.
A. and B. or C. so D. but
I ____ 30 pages of the book so far, but I hope to finish it by next week.
A. read B. am reading C. have read D. will read
