__________ most efficient way to understand thousands of new words is to gain __________ good knowledge of basic word formation.
| A．A; a | B．The; / | C．A; / | D．The; the |
—I am afraid I can’t help you with your project. I ________ a model these days.
—It doesn’t matter. I will finish it by myself.
| A．make | B．will be making |
| C．am making | D．have made |
—I wonder if you could go with me to the cinema.
— Don’t disturb me. I ______ a composition all the morning and haven’t finished it yet.
| A．write | B．was writing |
| C．have written | D．have been writing |
The girl, when _____ why she _____ in the exam, just lowered her head and kept silent.
| A．questioned; was cheated |
| B．being questioned; was cheating |
| C．questioned; had cheated |
| D．being questioned; has cheated |
Jim who is now our English teacher once ________ as a manager in an international
cooperation for 5 years.
| A．worked | B．had worked |
| C．was working | D．has worked |
—Dear me! It’s you, Bob! I ______ to recognize you at first sight!
—Nor did I! Time has changed us a lot!
| A．fail | B．failed |
| C．have failed | D．had failed |