１．Which do you enjoy ________your weekends,fishing or watching TV?
A.spending B.to spend

2. They are using ________ to knock the nails into the chairs so that
they can repair them.
A.hammer B.hammers

1.B 2.A

Which do you enjoy _ your weekends, fishing or watching TV?enjoy后是目的状语。本题可以这样理解:To spend your weekends,which do you enjoy,fishing or watching TV?或Do you enjoy fishing or watching TV to spend your weenkends?

1.B 2.A

1.B 2.A

1.B.i do agree with mr./ms. Gao
2.B.hammer is a countable n. if the given answer is A, the following instances available from native linguistic contexts can indicate that the answer A is wrong. in order to save space, only partial sentences are displayed here.

using a rubber hammer or mallet.
Use a rubber hammer or the handle of a club hammer to level each
The Khmer Rouge had used hammers to smash their skulls.'
in which skilled men using only a hammer and chisel can split
A smith uses a hammer very differently to most tradesmen,
Use a club hammer and steel chisel to open up a crack until
Use a hammer and nail punch.
can be used to spread the load when using the hammer.
use a hammer and star drill to make the holes for the bolts
Generally we use a hammer simply because it is a convenient
using a hammer and cold chisel.
If a suitable masonry drill is not available, use a hammer and star
and use a club hammer and brick bolster to cut it out to a depth oft
Using a small hammer the needles were then tapped

They are using _______(锤子)to knock the nails into the chairs so that
they can repair them.

为什么用hammer?应该用hammers.

B B

B,B.第一题高老师解释的很清楚了。第二题名词复数可表类别，说的是用锤子而非它物。选A 须加冠词。

B,B