问题

27—I can’t find FredHe is not at home—Why don’t try______him

A:must; will
B:shall; must
C:should; am due to
D:shall; am bound to

正确答案是：

同类题型

Rising evidence suggests that the use of the vaccines(疫苗)will be effective tothe spread of common cold.

1, Madame Curie received asecond Nobel Prize for her research, the first person in the world ______ twoNobel Prizes.

______ there any at home –No, there isn’t.

Mom is coming. What present ________for your birthday

All the students were sleeping _______they heard a man _______“help”.