下列那种基团叫酰胺基（）。 A: A-CONH₂ B: B-COOH C: C-SO₃H D: D-CH₂OH

It is impossible for little children to do much work in a short time. A: so; so; such B: such; so; such C: so; such; such D: such; such; so

If you give up the plan, ____. A: so will they B: so they do C: they will so D: so did they

Wow. It is rather hot today. Yes. __________yesterday. A: So it is B: So was it C: So is it D: So it was

I heard him ___. A: say so B: says so C: saying so D: said so

He tried to shout( )be heard all along the street. A: as so as B: so as that C: so as to D: so as

-- David has made great progress recently. A: So he has; so you have B: So he has; so have you C: So has he; so have you D: So has he; so you have

It rained last night.[br][/br] _______. A: So it was B: So it did C: So did it D: So it rained

“They have done a good job.” “.” A: So they have done B: So they have C: So have they D: So is it

---Basketball is the most popular game in America.---_____ in China. A: So is it B: So it does C: So it is D: So does it