Some Math problems in this book are difficult for the students work out.
| A．so, that | B．not, but | C．such, that | D．too, to |
they are twins, they don’t look the same at all.
| A．Because | B．Though | C．As | D．Since |
The mother walked into the room in order not to wake up her baby.
| A．quickly | B．quietly | C．heavily | D．fast |
I like English very much. I never miss a to practice English with foreigners.
| A．subject | B．mistake | C．chance | D．space |
— Who helped Li Lei with his English?
— , he learnt it by himself.
| A．Anybody | B．Somebody | C．Nobody | D．Everybody |
My school is different theirs. It has many after school clubs.
| A．in | B．by | C．of | D．from |