It is usually cool in April in Chongqing, but it sometimes ______ be rather hot for a few days.
| A．can | B．must | C．shall | D．ought to |
When people move to another country, they often try ________ the customs of their native land.
| A．to keep on | B．to keep off |
| C．to keep up | D．keeping up |
Working conditions in that company isfew clerks stay longer than three hours.
| A．such that | B．so that | C．that | D．what |
I’m stuck on this problem;you may askknows better than I.
| A．whoever | B．whomever | C．anyone | D．the one |
—What’s that building?
—the medical equipment is stored.
| A．There’s in which | B．That’s where |
| C．The building that | D．That’s the building which |
I knowhe said so at the meeting is true.
| A．what | B．how | C．why | D．that |