Miss Sullivan clarified the science Project in Simple but vivid language so as to make it easier for teenagers ________.
| A．understanding | B．to understand | C．understood | D．to be understood |
-- _____is that used for?
---_____ the floor.
| A．Why; To cleaning | B．What; Cleaning | C．Why; To clean | D．What; clean |
Seeing this, the boss ______ and he_______ Tod to serve the customer this and that.
| A．got excited; got | B．got exciting; made | C．excited; had | D．exciting; force |
Of the Kar’s boys, Robert is the richest; in other words, Andrew and Krist are _____.
| A．less rich | B．less richer than he | C．more poor | D．not richer as he is. |
At the meeting he gave us some suggestions, one of which was that we____ someone to check the information.
A. sent B send C. would send D. should have sent
I don’t know if he ____ us; if he ____, I’ll let you know.
| A．will come and help; comes | B．comes and helps; will come |
| C．will come and help; will come | D．comes and helps; comes |