I’ll do everything I can _______ you out.
| A．helping | B．help | C．helped | D．to help |
—______is the Changjiang river in China, do you know?
—Yes, it’s about 6,380 kilometers long.
| A．How many | B．How wide | C．How long | D．How much |
My sister likes playing_____guitar and she also likes playing______soccer.
| A．the; the | B．/; / | C．/; the | D．the; / |
There are floors in my house and my bedroom is on the______floor.
| A．three; two | B．three; second | C．two; third | D．second; three |
Jim______ sing Chinese songs very well now, but he______do it last year.
| A．can; can’t | B．could; can’t | C．can; couldn’t | D．could; couldn’t |
Our English teacher bought us many new books. ______of them is very interesting.
| A．All | B．Both | C．Every | D．Each |