4.We should keep in mind that protein is a(n) ___ingredient in our diet .

[问答题]We should keep it in mind that our country is a developing one.

[问答题]We should keep it in mind that our country is a developing one.

However, under no circumstances should we ___ our achievements, nor should we re

If you want to be healthy，you should keep a good diet.（ ）A. 如果你变得健康，你必须保持良好的饮食习惯

[单选题]We should ______ our agents of any price increases.(A) notify(B) tell(C) notice(D) warn

What should we do if our life is not what we long for?A. Avoid making hasty deci

[单选题]We should [spareno effort] to protect our environment.A.practiceB.startC.re

On the one hand, we should make efforts to improve the economy; on the other han

On the one hand, we should make efforts to improve the economy; on the other han

[单选题]If we can ________ our present difficulties, then everything should be all