We must use both hands to accept a present.改否定句确定要用either吗?有没有可靠的语法证明呢?谢谢

We ___thank Jane.A .both must B.must both We must use both hands to accept a present.改否定句确定要用either吗?有没有可靠的语法证明呢?谢谢 1.Don't ____me,We _____thank Linda A.thank ;must both B.thank;both must So we must be careful when we use the Internet. we ____________thank Lucy.A.both can B both mustC.must both D.can both请讲明原因! We must have both our feet on the ground!不懂 must use we must make good use of our time 翻译We must use smoke detector in the building. 为什么在“We must shop and look both ways ”一句中“both ”放在“look ”后面? When you ------present you must use both hands 为什么不用receive neither...nor & both...and & either...orwe can write and read.Can it be change in thatwe can either write or read.or it must be use both andwe can both write and read.please tell me in detailthanks a lot use both sides of We must stop and look both ways b___ we cross the road. We must accept both good and bad inside us,还是We must accept the good and bad inside us? to save paper ,we should use ____of it .A.both sides B.each sidesC.both side'sD.each side's I think we can use Yahoo Messenger since we both have Yahoo email account.we can try.意思 We must do something to protect our environment.We should use these bags（ ） plastic bags.