Sometimes my sister listens to music. It makes her______.
| A．feels happy | B．to feel happy |
| C．feel happy | D．feeling happy |
——________do you go to the dentist?
——Let me see, twice a year, maybe.
| A．How many | B．How much |
| C．How often | D．How soon |
——Did you do __________ on vacation?
——Not really. I just stayed at home and helped mom.
| A．something special | B．anything special |
| C．something serious | D．anything serious |
—What do you need now, Mom?
—_______ onion and ______ potato.
| A．A; a | B．A; an | C．An, an | D．An; a |
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— Your backpack is very nice.
—____________.
| A．Thank you. | B．Yes, it is. |
| C．That’s right. | D．You’re welcome. |