The two girls are so alike that strangers find ________ difficult to tell one from the other.
| A．it | B．them | C．her | D．that |
I asked my boss for a month’s holiday and, _________, she agreed.
| A．what’s more | B．that is to say | C．in other words | D．believe it or not |
The boss of the company had _________ his friend’s good advice, which led to the failure of his business.
| A．considered | B．suffered | C．ignored | D．discussed |
Many students believe that the choice of their universities and courses should __________ their own interest.
| A．base in | B．base on | C．be based in | D．be based on |
− Do you know the most ancient city in China ─ Xi’an well?
− No, this is the first time I ___________ here.
| A．came | B．have come | C．am coming | D．come |
My son has changed so much that I could hardly __________ his voice on the phone.
| A．recognize | B．realize | C．hear | D．find |