You must notice ____ the emergency exit is when you enter the building．
| A．which | B．where |
| C．what | D．in which |
At our factory there are a few machines similar to ______ described in this magazine.
| A．them | B．these | C．those | D．ones |
–I've studied gardening as a hobby. Could I make some suggestions?
–______.
| A．You will make it | B．Go right ahead |
| C．Don't mention it | D．Take it easy |
After they _______ stars in their own country, the Beatles _______ the United States.
| A．had become; toured | B．have become; toured |
| C．became; toured | D．became; had toured |
Almost _______ of the students in this class wear glasses, that is, _______ of them.
| A．two thirds; 60 percent | B．two thirds; 60 percents |
| C．two third; 60 percent | D．two third; 60 percents |
There was no good news still, and as time went by, he got _______ .
| A．disappointed and disappointed | B．disappointing and disappointing |
| C．more and more disappointed | D．more and more disappointing |