As the final examination is coming , the students are busy ____ it.
A. preparing B. preparing for C. prepare D. prepare for
He likes the birthday presents ______ his friends gave him.
A. that B. it C. what D. where
Upon ______ the office, he saw the message on his desk.
A. he arrived B. arrived at C. arriving at D. arriving
— Where’s Emma?
—I can’t say for sure where she is, but she _____ be out shopping.
A. can B. should C. must D. may
I always take an umbrella to work with me in spring, _____ it rains.
A．in case B．so that
C．until D．as if
________ is known to everyone, the moon travels around the earth once every month.
A．It B．As C．That D．What
