It took him a long time to _________ the skills he needed to become a professional artist.
| A．require | B．acquire | C．inquire | D．gather |
— How do you like Guilin?
— It is the most beautiful place ______ I have ever been to.
| A．where | B．which | C．that | D．what |
When I woke up, it was already midnight and it took a few seconds for my eyes to _____ to the darkness.
| A．refer | B．adjust | C．attend | D．point |
One advantage of owning your own car isyou can go anywhere at any time you like．
| A．when | B．why | C．what | D．that |
Tony was caught at the meeting, which annoyed his boss.
| A．chatting | B．chat | C．chatted | D．to chat |
He suddenly fell ill, ______ prevented him from attending his friend’s wedding.
| A．why | B．what | C．that | D．which |