William six books，and all of them are bestsellers.（ ）
A．will writeB．is writing
C．has writtenD．was writing
—How exciting the speech is!
—Pretty good! This is the best speech ________ I’ve ever heard.
| A． |
which |
B． |
that |
C． |
who |
—What do you do to keep healthy?
—I do more sports and eat ________ fast food.
| A． |
less |
B． |
fewer |
C． |
more |
—I often watch talk shows on TV.
—I enjoy watching the news. I hope ________ what’s going on around the world.
| A． |
find out |
B． |
to find out |
C． |
finding out |
—Do you like poems?
—Yes. I ________ read poems when I was 5.
| A． |
must |
B． |
can |
C． |
could |
WangYaping, the female（女性的）Chinese space walker, ________ her first space walk in November, 2021.
| A． |
has begun |
B． |
begins |
C． |
began |