Drilling oil well was ________ work that he couldn’t finish it by himself.
| A．such difficult | B．such a difficult | C．so difficult a | D．so difficult |
.
It is _____that he has been addicted to the drugs and has difficulty quitting it.
| A．obviously | B．apparently | C．possibly | D．likely |
.
That was the first time I _______ there and I was impressed by the friendly people very much.
| A．go | B．was going | C．had gone | D．have gone |
.
To qualify yourself for this kind of new job, I recommend that you____some online courses.
| A．to take | B．taking | C．take | D．would take |
.
. I ______ my university professor in the supermarket near my house, which was out of my expectation.
| A．came out | B．came across | C．came about | D．came along |
.
In 1942,Columbus and his crew arrived ____was then called the New World by the westerners.
| A．what | B．in what | C．where | D．in which |