— Where_____Mary have put the empty bottles?
—She _____them away.They must be somewhere.
A.can;mustn't have thrown
B.must;needn't have thrown
C.could;couldn't have thrown
D.should;might not have thrown
— How do you find your first visit to your net friend Jane?
— Oh,wonderful!Her warm welcome left me completely______.
A.at ease B.under attack C.beyond doubt D.in tears
— If everyone asked for information like you,we would be so busy we would die.
— But I wouldn't need to ask if you actively_________the information.
A.reviewed B.released C.restored D.registered
Modern science has found that _______ one is using chopsticks, over 30 joints and over 50 muscles are used, which is a favorable stimulation to the brain.
A.since B.although C.unless D.while
— As we know, keeping positive is beneficial to the process of our work and study.
—You can say that again.Struggle not to let negative ideas____.
A.take over B.come down C.drop out D.give in
Competition for entry to these programs is keen, and applicants need above-average grades to gain___________.
A.ambition B.preference C.admission D.competence