The development of industry has been ____ gradual process throughout ______human existence, from stone tools to modern technology.
| A．/, the | B．the, a | C．a, / | D．a, a |
–Guess what! Alice has failed in the exam.
– ____? She is second to none in English in our class.
| A．How is it | B．How come | C．What | D．What is it |
I was so excited at the news that I could hardly _____ my feelings in words.
| A．carry | B．communicate | C．transmit | D．convey |
He made ____clear when he would give us a lecture on global warming.
| A．this | B．it | C．that | D．these |
There is no doubt _____ we will succeed if we try our best.
| A．which | B．what | C．whether | D．that |
To our delight, we ______________ got what we had been looking forward to.
| A．particularly | B．normally | C．eventually | D．originally |