He wondered if he could slip out of the lecture hall without anyone _____.
| A．noticing | B．noticed | C．to notice | D．being noticed |
_________during the last days of the “cultural revolution” (1966-76), he finally returns home only ______that his beloved wife has amnesia and is unable to recognize him.
| A．Released ;to find | B．Releasing ; found |
| C．Released ;finding | D．Releasing ;to find |
Mother’s Day, which accounts for a one-quarter of annual holiday purchases, according to the Society of American Florists, is ________ the day when flowers are delivered to the doorsteps of many mothers.
| A．transparently | B．theoretically |
| C．traditionally | D．thankfully |
Not only are students in China suffering from this problem, but kids in the United States are also ________ heavy school bags..
| A．kept up with | B．come down with |
| C．ended up with | D．fed up with |
Kroc was a salesman who met the McDonald brothers in 1954, when he _______ milkshake-mixing machines.
| A．had sold | B．was selling |
| C．would sell | D．has sell |
It was on the plane _____ I was travelling to Japan _____ I came across my former teacher.
| A．that; where | B．that; that |
| C．which; that | D．where; that |