_________ people were found __________ after that earthquake.
| A．A number of; missed | B．A number of; dead |
| C． The number of; missing | D．The number of; died |
—Be quiet, Mr. Smith is coming.
—Don’t worry. It ＿＿＿ be him. Mr. Smith is much taller.
A. mustn’tB. must C. can’t
Be quick, ＿＿＿we’ll be late for school.
A. and B. or C. so
Susan joined an art club at ＿＿＿age of six and paints well.
A. the B. an C. a
—Can you speak English, Mr. Wang？
—Yes, but only＿＿＿
A. little B. a little C. a lot
—How often do you exercise?
—＿＿＿
A. Two B. Twice C. Second