No conclusion _________ about the new product until the result of the experiment has been announced.
| A．is drawn | B．was drawn | C．will be drawn | D．has been drawn |
___Hi, Tom._____?
___ well .Long time no see! I miss you very much.
| A． What are you doing | B． What is going on |
| C．How do you like it | D． How is it going |
A car engine cannot run smoothly without motor oil.____ our body cannot function efficiently without vitamins.
| A． fortunately | B． Gradually | C． Similarly | D． Confidently |
Moreover,27.6 percent of those ____preferred reading on their mobile phones, which was 4.6 percent higher than last year.
| A． surveying | B．to survey | C． surveyed | D． having surveyed |
Your life insurance should be enough to ____any funeral costs as well as debts that you may have accumulated.
| A． adopt | B． hold | C． cover | D． load |
After being questioned by the police , he admitted ____in the supply of drugs over a 20-year period.
| A． to be involved | B． being involved | C． involved | D． been involving |