------ _______ the letter _______ to Mr Black?
----- No．It’s still on the desk．
| A．Has; given | B．Will; be given | C．Was; given | D．Has; been given |
During his stay in Xi’an, Jerry tried almost all the local foods his friends ________,
| A．would recommend |
| B．had recommended |
| C．have recommended |
| D．were recommending |
The film star wears sunglasses. Therefore, he can go shopping without ______.
| A．recognizing |
| B．being recognized |
| C．having recognized |
| D．having been recognized |
We ______ back in the hotel now if you didn't lose the map.
| A．are |
| B．were |
| C．will be |
| D．would be |
Some people believe ______ has happened before or is happening now will repeat itself in the future.
| A．whatever |
| B．whenever |
| C．wherever |
| D．however |
I found the lecture hard to follow because it ______ when I arrived.
started
B. was starting
C. would start
D. had started