1.D
recommend意为“建议”时,其后的宾语从句采用虚拟语气,即从句的谓语动词由“should + 动词原形”构成,should可以省略.
be = should be
2.A
desire之后的宾语从句采用虚拟语气,即从句的谓语动词由“should + 动词原形”构成,should可以省略.
infore = should inform
3.D
requirement的同位语从句必须采用虚拟语气,即从句的谓语动词由“should + 动词原形”构成,should可以省略.
be = should be
4.A
order意为“命令”时,其同位语从句必须采用虚拟语气,即从句的谓语动词由“should + 动词原形”构成,should可以省略.
be = should be
5.B
advice的表语从句必须采用虚拟语气,即从句的谓语动词由“should + 动词原形”构成,should可以省略.
be written = should be written
6.A
proposal的同位语从句必须采用虚拟语气,即从句的谓语动词由“should + 动词原形”构成,should可以省略.
be put off = should be put off
7.C
suggest的主语从句必须采用虚拟语气,即从句的谓语动词由“should + 动词原形”构成,should可以省略.
not be started = should not be started
8.C
“It was essential that从句”句型中的that从句必须采用虚拟语气,即从句的谓语动词由“should + 动词原形”构成,should可以省略.
be sent = should be sent
9.D
“It is important that从句“中的that从句必须采用虚拟语气,即从句的谓语动词由“should + 动词原形”构成,should可以省略.
make sure = should make sure
10.C
含有advisable的主语从句必须采用虚拟语气,即从句的谓语动词由“should + 动词原形”构成,should可以省略.
be assigned = should be assigned
