The air pollution is serious, ________ we must try our best to reduce it.
A. so B. or C. if
He isn’t _____ his father, but he _______his father very much.
| A．like; likes | B．look; likes | C．like; looks | D．likes; like |
How long do you usually _____on your homework everyday?
| A．do | B．use | C．spend | D．take |
My parents ________ newspapers after supper.
| A．both read | B．all read | C．read both | D．read all |
_____ you have _____ homework to do every day?
| A．Are; much | B．Do; many | C．Do; much | D．Are; many |
— _______ iphone4 is this on the table?
— I think it’s my sister’s.
| A．Who | B．Which | C．Whose | D．Where |