The math problem is so hard. I really don’t know .
| A．how to do it | B．how to do | C．what to do it | D．where to do it |
The company will offer a reward for the best designs, no matter how much they will ________.
| A．spend | B．take | C．cost | D．pay |
I was reminded of the matter ________ the evening of April 4 and I couldn’t sleep ________ whole night.
| A．in; a | B．in; the | C．on; a | D．on; the |
Thanks for ________ me about JSTV’s You Are the One. Meng Fei sounds really excellent.
| A．telling | B．saying | C．talking | D．speaking |
--- ________ does his sister do online shopping?
--- I’m not sure. Maybe twice a week.
| A．How long | B．How often |
| C．How soon | D．How many times |
--- How do you usually come to school?
--- ________. I live too far away from our school.
| A．On foot | B．By bikes | C．By bus | D．By a car |