帮忙讲解一下这三道英语题

Question

If you can't decide which of the two books to borrow,why don't you take_____?Iwon't read them this week.A.all B.any C.either D.both--Do you have enough to_____all your daily expenses?--Oh,yes,enough and to spare.A.cover B.spend C.fill D.offerThe country has already sent up three unmanned spacecraft,the most recent_____at the end of last March.A.has been launched B.having been launched C.being launched D.to be launched

Answer 1

1.
If
you
can't
decide
which
of
the
two
books
to
borrow,why
don't
you
take_____?Iwon't
read
them
this
week.
A.all
B.any
C.either
D.both--D，2个一起拿嘛
2.
Do
you
have
enough
to_____all
your
daily
expenses?--Oh,yes,enough
and
to
spare.
A.cover
B.spend
C.fill
D.offer，A，有对付、覆盖的意思，只有它的意思符合
3.
The
country
has
already
sent
up
three
unmanned
spacecraft,the
most
recent_____at
the
end
of
last
March.
A.has
been
launched
B.having
been
launched
C.being
launched
D.to
be
launched
D，to
be
结构有表将发生什么事的意思，符合题意，已经发射了……，最近的将……