It worried her a bit ________her hair was turning gray.
A. while
B. that
C. if
D. which
________you don’t like him is none of my business.
A. What
B. How
C. That
D. Which
_______ we can’t get seems better than _______we have.
A. What; what
B. Why; what
C. How; how
D. Why;why
We thought _______ strange that Tom did not come yesterday.
A. that
B. it
C. what