You'd better take a heavy coat. Sometimes it ______ be very cold.
| A．should | B．can | C．will | D．must |
The Roman alphabet is a Greek invention, ______ is the marathon, a long distance race created in honour of a Greek soldier.
| A．which | B．what | C．that | D．as |
— I didn’t watch the program “Where are we going, Dad?” yesterday.
— I________, either, if my father hadn’t reminded me.
| A．wouldn’t | B．didn’t | C．wouldn’t have | D．hadn’t |
Everyone in this country should work hard and do what they can _____ against national smog.
| A．fight | B．fought | C．fighting | D．to fight |
It isn't just big data specialists like data scientists and statisticians ______ to benefit from this boom of big data opportunities.
| A．who stands | B．that stand | C．which stands | D．when stand |
—Why are you crying? Today is your birthday!
—____________. I am so excited with so many friends surrounding me.
| A．Just can’t help it | B．Don’t mention it |
| C．None of your business | D．That’s all right |