题目内容
As soon as someone ________ at the door, Tom rushed to open it. He though this teacher arrived.
In a few years' time, there________ thousands of trees on the hill.
A.will have B.will be C.is going to have D.has
Sorry, you'll have to be and wait until I finish my work.
A.strict B.patient C.honest D.active
We ________ to go out without wearing medical masks to avoid getting ill.
A.don' tallow B.allow C.aren't allowed D.are allowed
We can't travel around as we used to ________ the pandemic (疫情) is over.
A.because B.so C.unless D.if
Ellen has already bought some flowers. (改为否定句)
Ellen________ bought any flowers________
For modern society, the computer is a great________ (发明)。
— Why don' the doctors stop ________ lunch?
— Because they are busy ________ a patient.
A.to have; to save B.having: saving C.to have; saving D.having; to save
You’d better not play with your iPad ________ all your work is done.
A.since B.until C.while D.after