When you ______with the dictionary, don’t forget to put it back on my desk, will you?
| A．will finish | B．are finishing | C．will have finished | D．have finished |
Is this research center _____ the foreign guests visited last week?
| A．that | B．which | C．where | D．the one |
They started early that morning in order that they_____ there before noon.
| A．would get | B．got | C．must get | D．might get |
Mary cares about clothes too much, and she _____ too much money _____ clothes.
| A．spend; in | B．cost; at | C．pays; to | D．spends; on |
"_____ of them are not here." means "_____ of them are not here."
| A．All; Some | B．Both; Every | C．Both; Neither | D．All; Both |
We must do something to _____ factories _____waste water into the river before it is cleaned.
| A．stop; pouring . | B．prevent; to pour | C．keep; pouring | D．stop; to pour |