______ I must do another experiment. A. Be it ev

—What sort of house do you want to have？ Must it be big？ —Well, it ______ be big. Thats no

In doing experiments, you must be ______ the precision instruments.A．more than careful wit

It can be inferred from the news item that______.A．people must spend a lot to do the blood

－－－ Was that the headmaster who walked by？ －－－ _______.A、It must be thatB、It must be him

— It’s getting dark. I’m afraid I must be off now.— ____.A.That’s all rightB.You are niceC.What a pi

It was suggested that the meeting _____ the next day.[ ]A. be held B. must be heldC. held D. should