17. The president is to give a formal __ at the opening ceremony.
A、speech
B、debate
C、discussion
D、 argument
26.
A、being
B、be
C、was
D、were
Ⅱ. Vocabulary and Structure ( 15 points ) Directions : There are 15 incomplete sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose one answer that best completes the sentence and blacken the corresponding letter on the Answer Sheet. 6. Jonathan and Joe left the house to go for__ after supper.