As far as I know， the robot that can sweep the floor ________ in the 1980s．（ ）
| A． |
is invented |
B． |
invented |
| C． |
was invented |
D． |
has invented |
Linda works very ________, so she seldom makes mistakes.
| A． |
quickly |
B． |
easily |
C． |
carefully |
Nobody taught the old man how to play with Tik Tok. He taught ________.
| A． |
myself |
B． |
himself |
C． |
herself |
—Mom, I want to buy some novels.
—Before choosing a book, you’d better ________ some pages to know whether it’s easy or hard for you.
| A． |
look through |
B． |
look for |
C． |
look at |
With double reduction policy (双减政策), students ________ less homework now so that they have enough time to take part in more activities.
| A． |
will give |
B． |
were given |
C． |
are given |
—I heard you lost your bag yesterday.
—Yes. Luckily, I got it later. And ________ was lost in it.
| A． |
nothing |
B． |
anything |
C． |
something |