If you don't want to be _________ the mercy of others, you'll have to start a business of your own.
| A．in | B．at |
| C．for | D．on |
____________for children, the album became popular with Parents __________it came out.
| A．Designed; when | B．Designed; immediately |
| C．To design; as soon as | D．Designing;as |
—Why is your wife wearing a mask in such good spring?
—Because she is_________ to flowers.
| A．fragile | B．cautious | C．addicted | D．allergic |
The old gentleman is considering _________he will move to New York with his daughter and son-in-law or live alone at home.
| A．when | B．how | C．what | D．whether |
The police are looking for the witnesses,__________ words will make a difference to the victim.
| A．whose | B．which | C．where | D．when |
—You seem familiar with Mr. John?
—Of course, we________ together for three years in the 1990s.
have worked B. had workedC. are working D. worked