The factory has developed a lot____ we visited the advanced worker five yeas ago.
| A．when | B．which | C．that | D．where |
Ladies and gentlemen,please fasten your seat belts,the plane______.
| A．takes off | B．is taking off | C．is going to take off | D．is to take off |
Without facts,we can’t form a correct opinion,for we need to have actual knowledge____ our thinking.
| A．which to be based on | B．on which to base |
| C．which to base on | D．which to base |
With a good ______ of both Chinese and English,she had an advantage over the other interviewees.
| A．program | B．guidance | C．command | D．ability |
He stayed up too late every night,______ to catch up with his classmates.
| A．Having determined | B．being determined |
| C．determined | D．to determine |
Exercise is _______ as any other to lose unwanted weight.
| A．such useful a way | B．so useful a way |
| C．as a useful way | D．as useful a way |