However, at times this balance in nature is disturbed, ____ a number of possibly unforeseen effects.
| A．lying in | B．calling in | C．taking in | D．resulting in |
—Which month of the year do you like?
— July, the ___ month because summer vacation begins in this month.
A. second B. seventh C. ninth
I have a big brother. ___ name is Paul.
A.Her B. His C. My
I’m going to be ___ basketball player.
A.a B. the C. an
Either the guides or the team leader ________ looking after the students then.
| A．are | B．were | C．is | D．was |
When _______ comes to advertisements, we must all use our intelligence.
| A．that | B．it | C．there | D．this |