—I’m sorry, but the boss isn’t here yet. Shall I have him call you when he comes back? —No, I’ll call him back. If I call again in half an hour, do you think she ________ ?
33.When problems such as energy crisis, pollution and population explosion_________, people are asked to share the bitterness and endure the hardship with all the whole nation of the times.
32.___________the many ways illegal immigrants come into the United States every year, the vehicle crammed with crowds seems to be the method of choice lately, however, tragedies such as deaths on the journey to the destination, are sometimes reported nowadays.