I wonder if ____ to come over to my family after work.
| A．you are convenient | B．it is convenient for you |
| C．it’s convenient of you | D．there’s convenient for you |
It is the first time I ____ to visit the Great Wall.
| A．came | B．come | C．have come | D．had come |
Dorothy was always speaking highly of her role in the play, ____, of course, made the others unhappy.
| A．who | B．which | C．that | D．what |
The teacher had a _______ look when he found that none of his students had finished his homework.
| A．shocking | B．shocked | C．bored | D．boring |
I will keep on trying, ______ I might fail a thousand times.
| A．while | B．as if | C．even if | D．otherwise |
_____ from the mountain, the town is very beautiful.
| A．Being seen | B．It was seen | C．Seen | D．Seeing |