Where are your brothers? ________.
| A．He is at home | B．He is in his room |
| C．Yes，they are | D．I don’t know |
—Lily,______ do you study for a math best? —By asking my teacher for help.
| A．how | B．who | C．why | D．what |
—Tom, you look tired this morning. What’s wrong?
—I was so busy that I didn’t go to bed _____ 12 o’clock last night.
| A．until | B．when | C．though | D．unless |
—I hope the summer vacation will come soon.
—_______.It’s really relaxing.
| A．So I did | B．So I do | C．So did I | D．So do I |
—What do you think of the two backpacks? —______ of them are very nice.
| A．Either | B．Both | C．Each | D．All |
I bought a new sweater last weekend. It ________ me 120 yuan.
A. paid B
. take C. costD. spent