Some of my friends are interested in science,but none of them can tell_____.
#53699
A
when UFOs will appear next time.
B
why do horses know the way.
C
where was this kind of plant found.
D
how do elephants communicate.
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— May we go home mow ? — No, you____. You____ to go home until5 o’clock.
#53831
A
mustn’t; are allowed
B
don’t have to; are supposed
C
needn’t; aren’t allowed
D
can’t; aren't supposed
---What are you doing tomorrow？--- I .
#58926
A
went shopping
B
take a walk
C
am going fishing
D
visiting my aunt
We should never ________till tomorrow what we can do today.
#59603
A
put on
B
put off
C
put up
D
put out
—Oh, a nice photo! Is this your uncle’s child?—Yes, it’s my .
#52586
A
cousin
B
sister
C
brother
D
daughter