_____, I think, and the problems could be settled.
| A．If you double your efforts |
| B．So long as you keep up your spirits |
| C．Making greater efforts |
| D．A bit more efforts |
Between the two roads_________ a TV tower called“Skyscraper Tower”.
| A．stands | B．standing | C．which stands | D．stand |
______
__________ surprised us very much that Tom should have left without a word.
| A．He | B．It | C．This | D．That |
It is reported that two schools, _________are being built in my hometown, will open next year.
| A．they both | B．which both | C．both of them | D．both of which |
He tried his best to solve the problem, _______difficult it was.
| A．however | B．no matter | C．whatever | D．although |
—Which driver was to blame?
—Why, _______！It was the child’s fault, clear and simple. He suddenly came out.between two parked cars.
| A．both | B．each | C．either | D．neither |