He is going into hospital to have a small __________ her knee.
If you ask me, I would say that I won’t mind ______abroad to enrich my knowledge.
Have you ever ___ to the museum ___ we paid a visit last year?
Some intelligent and successful people find _____ difficult to succeed in language learning.
---Do you know when she _________? ---Sorry, I don’t. But I’ll let you know when she _________.
The buildings in this modern city are growing tall, some even reaching over 400 meters _______ height.