---It is reported that a Boeing 777-200 plane became lost in communication （失去联系） at midnight __________ the early morning of March 8th．
---I was amazed to hear that．
| A．at | B．in | C．on | D．of |
My sister likes eating _______, but I don’t like eating them.
| A．meat | B．vegetables |
| C．hamburger | D．some bread |
-- _______ is the man in the white shirt? -- He is an engineer.
| A．How | B．Where |
| C．Who | D．What |
In our library, the number of books ________ more than 40,000.
| A．is | B．are |
| C．has | D．have |
The entrance exam is only fifteen days away from now. You will fail the exam ______ you study hard from now on.
| A．if | B．as soon as |
| C．unless | D．although |
Jack found ______ hard to get along with the other boys in his class.
| A．it | B．that |
| C．this | D．those |