26. I’m rather anxious ____B____ her, for I haven’t heard from her for a long   time.

A) toward

B) about

C) in

D) over

27. I agree with him _____C___, but not entirely.

A) until a certain point

B) to some point

C) to some extent

D) until a certain extent

28. ---“Edward was terribly impolite to Miss Smith. ” ---“Yes, he should be   __D______ himself. “

A) sorry for

B) sorry about

C) ashamed with

D) ashamed of

29. Health experts in many countries still ____C____ their ideas about the   relationships between our food and our health.

A) have tested

B) tested

C) are testing

D) test

30. Mr. and Mrs. Zhang are going to Brazil next week and they ___A_____ to   Mexico later in the month.

A) will go

B) would go

C) went

D) have gone