________we went to visit Professor Smith, he________his research work.
| A．The first time; devoted to | B．Whenever; was concentrate on |
| C．For the first time; was busy with | D．Each time; was absorbed in |
It was due to her elegant ______ and gentle temper that she has won the respect of her collegues.
| A．deeds | B．behaviors | C．actions | D．behavior |
I’m sorry, _____ I won’t be able to come tonight.
| A．for | B．and | C．but | D．then |
My friend Mary is _____ beautiful girl and _____ girl everyone likes to work with.
| A．a, a | B．a, the | C．the, a | D．the, the |
If the weather had been better, we could have had a picnic. But it ________ all day.
| A．rained | B．rains | C．has rained | D．is raining |
_______ the fact_______ she deserted him, he sill loves her heart and soul.
| A．What if : what | B．Even if; that | C．Despite; that | D．Although; that |