---I’m sorry the traffic is so heavy.
---Does that _______why you are so late?
A. break out B. account for
C. turn down D. build up
People try to avoid public transportation delays by using their own cars, and this creates further problems.
A. in short B. in case
C. in doubt D. in turn
Only when lily walked into the office ________that she had left the contract at home.
A. that she realized B. has the realized
C. that she has realized D. did she realize
The news has made us happy __________the housing price will fall soon .
A. what B. which
C. that D. whether
The new stadium being built in our town will be _____the old one.
A. half as big as B. as half big as
C. as big as half D. big as half as
It is uncertain _______ side effect the medicine will bring about,although about two thousand patients have taken it.
A. that B. what C. how D. whether
